Refresh docs and add Dependabot maintenance config

.github/dependabot.yml

@@ -0,0 +1,12 @@
+version: 2
+updates:
+  - package-ecosystem: "composer"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10

README.md

@@ -6,24 +6,14 @@
 
 ## Just another collection of design patterns implementations in PHP
 
-## Run Tests
-
-* Run `./composer.phar install`
-* Now launch UTs running `./vendor/bin/phpunit test/`
+## Requirements
+- PHP 8.3+
 
-## Run PHP CS fixer
+## Setup
+- Run `./composer.phar install`
 
-[https://github.com/FriendsOfPHP/PHP-CS-Fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer)
-
-Install the tool:
-```
-mkdir tools
-mkdir tools/php-cs-fixer
-./composer.phar require --working-dir=tools/php-cs-fixer friendsofphp/php-cs-fixer
-```
+## Run Tests
+- Run `./composer.phar test`
 
-Run the tool:
-```
-./tools/php-cs-fixer/vendor/bin/php-cs-fixer fix src
-./tools/php-cs-fixer/vendor/bin/php-cs-fixer fix test
-```
+## Run Coding Standards
+- Run `./composer.phar cs`