docs: detailed v3.1.0 changelog with specific registry restores

CHANGELOG.md

@@ -16,13 +16,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - **CI/CD Drift**: Resolved persistent "Uncommitted Changes" errors in CI by making the index generation script deterministic (sorting by name + ID).
-- **Registry Sync**: Synced `README.md` and `skills_index.json` to accurately reflect all 253 skills (restoring missing entries).
-- **Maintenance**: Updated `MAINTENANCE.md` with strict protocols for handling generated files.
+- **Registry Sync**: Synced `README.md` and `skills_index.json` to accurately reflect all 253 skills.
+
+### Added (Registry Restore)
+
+The following skills are now correctly indexed and visible in the registry:
+
+- **Marketing & Growth**: `programmatic-seo`, `schema-markup`, `seo-fundamentals`, `form-cro`, `popup-cro`, `analytics-tracking`.
+- **Security**: `windows-privilege-escalation`, `wireshark-analysis`, `wordpress-penetration-testing`, `writing-plans`.
+- **Development**: `tdd-workflow`, `web-performance-optimization`, `webapp-testing`, `workflow-automation`, `zapier-make-patterns`.
+- **Maker Tools**: `telegram-bot-builder`, `telegram-mini-app`, `viral-generator-builder`.
 
 ### Changed
 
 - **Documentation**: Added `docs/CI_DRIFT_FIX.md` as a canonical reference for resolving drift issues.
-- **Guidance**: Updated `GETTING_STARTED.md` counts to match the full registry.
+- **Guidance**: Updated `GETTING_STARTED.md` counts to match the full registry (253+ skills).
+- **Maintenance**: Updated `MAINTENANCE.md` with strict protocols for handling generated files.
 
 ## [3.0.0] - 2026-01-25 - "The Governance Update"