Add feature map reference to create-verification-skill

[poteto]

Summary

• add a maintained Notes feature-map index with baseline, driving, proof, and entry-contract guidance
• add complete browser and CLI recipes for note creation and search
• point create-verification-skill at the reference and bump pstack to 0.11.14

Testing

• npm install --no-save ajv ajv-formats && node scripts/validate-plugins.mjs
• git diff --check origin/main...HEAD
• verified both feature files have the four required H2s in order and start their driving sections with Preconditions:
• verified the reference contains no internal names or em dashes