started docs for html head

tutorials/angular/index.mdx

@@ -0,0 +1,232 @@
+```txt
+docs/
+└── tutorials/
+    └── angular/
+        ├── index.mdx
+        ├── 01-introduction/
+        │   ├── what-is-angular.mdx
+        │   ├── angular-features.mdx
+        │   ├── angular-vs-react.mdx
+        │   ├── angular-vs-vue.mdx
+        │   ├── angular-architecture.mdx
+        │   └── how-angular-works.mdx
+        ├── 02-environment-setup/
+        │   ├── install-nodejs-and-npm.mdx
+        │   ├── install-angular-cli.mdx
+        │   ├── setup-vscode-for-angular.mdx
+        │   ├── angular-playground.mdx
+        │   └── verify-installation.mdx
+        ├── 03-first-angular-application/
+        │   ├── create-angular-project.mdx
+        │   ├── angular-project-structure.mdx
+        │   ├── run-development-server.mdx
+        │   ├── angular-application-bootstrap.mdx
+        │   ├── angular-configuration-files.mdx
+        │   └── build-and-serve.mdx
+        ├── 04-components/
+        │   ├── component-fundamentals.mdx
+        │   ├── create-components.mdx
+        │   ├── component-metadata.mdx
+        │   ├── standalone-components.mdx
+        │   ├── component-lifecycle.mdx
+        │   ├── component-communication.mdx
+        │   ├── input-and-output.mdx
+        │   ├── model-inputs-and-two-way-binding.mdx
+        │   └── reusable-components.mdx
+        ├── 05-templates-and-data-binding/
+        │   ├── template-syntax.mdx
+        │   ├── interpolation.mdx
+        │   ├── property-binding.mdx
+        │   ├── event-binding.mdx
+        │   ├── two-way-data-binding.mdx
+        │   ├── template-reference-variables.mdx
+        │   ├── attribute-and-class-binding.mdx
+        │   └── template-expression-best-practices.mdx
+        ├── 06-control-flow-and-directives/
+        │   ├── built-in-control-flow.mdx
+        │   ├── conditional-rendering.mdx
+        │   ├── loops-and-track.mdx
+        │   ├── switch-control-flow.mdx
+        │   ├── built-in-directives.mdx
+        │   ├── custom-attribute-directives.mdx
+        │   ├── structural-directives-and-legacy-syntax.mdx
+        │   └── custom-structural-directives.mdx
+        ├── 07-signals-and-reactivity/
+        │   ├── signals-fundamentals.mdx
+        │   ├── signal-and-value-updates.mdx
+        │   ├── computed-signals.mdx
+        │   ├── effects-and-side-effects.mdx
+        │   ├── linked-signals.mdx
+        │   ├── signal-inputs.mdx
+        │   ├── signals-and-change-detection.mdx
+        │   └── signals-vs-rxjs.mdx
+        ├── 08-typescript-for-angular/
+        │   ├── typescript-fundamentals.mdx
+        │   ├── interfaces-and-type-aliases.mdx
+        │   ├── generics-and-utility-types.mdx
+        │   ├── strict-type-checking.mdx
+        │   ├── typed-components.mdx
+        │   └── typing-events-and-forms.mdx
+        ├── 09-services-and-dependency-injection/
+        │   ├── service-fundamentals.mdx
+        │   ├── create-angular-services.mdx
+        │   ├── dependency-injection-overview.mdx
+        │   ├── inject-function.mdx
+        │   ├── injection-tokens.mdx
+        │   ├── provider-scopes.mdx
+        │   ├── hierarchical-injectors.mdx
+        │   └── service-design-patterns.mdx
+        ├── 10-routing-and-navigation/
+        │   ├── router-setup.mdx
+        │   ├── route-configuration.mdx
+        │   ├── router-outlet-and-links.mdx
+        │   ├── route-parameters.mdx
+        │   ├── query-parameters.mdx
+        │   ├── child-and-nested-routes.mdx
+        │   ├── route-guards.mdx
+        │   ├── resolvers-and-data-loading.mdx
+        │   ├── lazy-loading.mdx
+        │   ├── route-level-providers.mdx
+        │   └── navigation-and-error-routes.mdx
+        ├── 11-forms-and-validation/
+        │   ├── forms-overview.mdx
+        │   ├── template-driven-forms.mdx
+        │   ├── reactive-forms.mdx
+        │   ├── typed-reactive-forms.mdx
+        │   ├── form-controls-and-groups.mdx
+        │   ├── form-arrays.mdx
+        │   ├── built-in-validators.mdx
+        │   ├── custom-validators.mdx
+        │   ├── async-validators.mdx
+        │   ├── cross-field-validation.mdx
+        │   └── dynamic-forms.mdx
+        ├── 12-http-and-api-integration/
+        │   ├── httpclient-setup.mdx
+        │   ├── get-post-put-and-delete.mdx
+        │   ├── typed-api-responses.mdx
+        │   ├── http-error-handling.mdx
+        │   ├── interceptors.mdx
+        │   ├── authentication-headers.mdx
+        │   ├── request-cancellation.mdx
+        │   ├── retry-and-timeout-strategies.mdx
+        │   └── api-service-architecture.mdx
+        ├── 13-rxjs-and-observables/
+        │   ├── observables-fundamentals.mdx
+        │   ├── observers-and-subscriptions.mdx
+        │   ├── operators-and-pipelines.mdx
+        │   ├── map-filter-and-tap.mdx
+        │   ├── switchmap-mergemap-and-concatmap.mdx
+        │   ├── subjects-and-behavior-subjects.mdx
+        │   ├── error-handling-and-retry.mdx
+        │   ├── async-pipe.mdx
+        │   ├── signals-and-observables-interop.mdx
+        │   └── subscription-cleanup.mdx
+        ├── 14-state-management/
+        │   ├── local-component-state.mdx
+        │   ├── shared-state-with-services.mdx
+        │   ├── signal-based-state.mdx
+        │   ├── rxjs-based-state.mdx
+        │   ├── ngrx-overview.mdx
+        │   ├── ngrx-store-actions-and-reducers.mdx
+        │   ├── ngrx-effects-and-selectors.mdx
+        │   ├── state-management-patterns.mdx
+        │   └── choosing-a-state-management-approach.mdx
+        ├── 15-styling-and-ui-development/
+        │   ├── component-styles.mdx
+        │   ├── global-styles-and-themes.mdx
+        │   ├── css-encapsulation.mdx
+        │   ├── responsive-angular-layouts.mdx
+        │   ├── tailwind-css-with-angular.mdx
+        │   ├── angular-material-setup.mdx
+        │   ├── reusable-ui-components.mdx
+        │   └── design-systems.mdx
+        ├── 16-accessibility-and-internationalization/
+        │   ├── accessible-angular-components.mdx
+        │   ├── semantic-html-and-keyboard-navigation.mdx
+        │   ├── aria-and-accessibility.mdx
+        │   ├── angular-aria-and-cdk.mdx
+        │   ├── localization-overview.mdx
+        │   ├── translation-and-formatting.mdx
+        │   └── accessibility-testing.mdx
+        ├── 17-testing-and-quality/
+        │   ├── angular-testing-overview.mdx
+        │   ├── component-unit-tests.mdx
+        │   ├── service-tests.mdx
+        │   ├── dependency-injection-in-tests.mdx
+        │   ├── http-testing.mdx
+        │   ├── routing-tests.mdx
+        │   ├── forms-and-validation-tests.mdx
+        │   ├── component-harnesses.mdx
+        │   ├── end-to-end-testing.mdx
+        │   └── linting-and-formatting.mdx
+        ├── 18-performance-optimization/
+        │   ├── change-detection.mdx
+        │   ├── zoneless-angular.mdx
+        │   ├── onpush-and-component-performance.mdx
+        │   ├── lazy-loading-and-code-splitting.mdx
+        │   ├── defer-and-deferrable-views.mdx
+        │   ├── track-and-list-performance.mdx
+        │   ├── bundle-analysis.mdx
+        │   ├── profiling-and-performance-tools.mdx
+        │   └── performance-best-practices.mdx
+        ├── 19-server-rendering-and-seo/
+        │   ├── server-side-rendering.mdx
+        │   ├── static-site-generation.mdx
+        │   ├── hydration-and-incremental-hydration.mdx
+        │   ├── prerendering-and-route-configuration.mdx
+        │   ├── metadata-and-seo.mdx
+        │   ├── browser-only-apis-and-platform-checks.mdx
+        │   ├── server-rendering-data-loading.mdx
+        │   └── deployment-for-rendered-applications.mdx
+        ├── 20-security-and-best-practices/
+        │   ├── angular-security-model.mdx
+        │   ├── cross-site-scripting-prevention.mdx
+        │   ├── safe-template-binding.mdx
+        │   ├── authentication-and-authorization.mdx
+        │   ├── route-guards-and-server-security.mdx
+        │   ├── dependency-security.mdx
+        │   ├── environment-configuration.mdx
+        │   └── production-readiness-checklist.mdx
+        ├── 21-advanced-angular/
+        │   ├── custom-pipes.mdx
+        │   ├── content-projection.mdx
+        │   ├── view-queries-and-content-queries.mdx
+        │   ├── dynamic-component-creation.mdx
+        │   ├── custom-form-controls.mdx
+        │   ├── control-value-accessor.mdx
+        │   ├── library-development.mdx
+        │   ├── angular-elements.mdx
+        │   └── migration-and-upgrades.mdx
+        ├── 22-deployment-and-devops/
+        │   ├── production-builds.mdx
+        │   ├── environment-and-build-configuration.mdx
+        │   ├── deploy-to-static-hosting.mdx
+        │   ├── deploy-to-cloud-platforms.mdx
+        │   ├── dockerize-angular.mdx
+        │   ├── nginx-and-web-server-configuration.mdx
+        │   ├── continuous-integration.mdx
+        │   └── release-monitoring-and-error-tracking.mdx
+        ├── 23-projects/
+        │   ├── personal-portfolio.mdx
+        │   ├── task-management-app.mdx
+        │   ├── weather-dashboard.mdx
+        │   ├── ecommerce-storefront.mdx
+        │   ├── admin-dashboard.mdx
+        │   ├── authentication-portal.mdx
+        │   ├── full-stack-angular-app.mdx
+        │   └── production-capstone.mdx
+        ├── reference/
+        │   ├── angular-cli-cheatsheet.mdx
+        │   ├── template-syntax-reference.mdx
+        │   ├── signals-reference.mdx
+        │   ├── dependency-injection-reference.mdx
+        │   ├── router-reference.mdx
+        │   ├── forms-reference.mdx
+        │   ├── common-errors-and-solutions.mdx
+        │   ├── glossary.mdx
+        │   └── official-resources.mdx
+        └── assets/
+            ├── images/
+            ├── diagrams/
+            └── examples/
+```