release: version 3.14.0 - NotebookLM MCP integration

Bump version from 3.13.0 to 3.14.0 with complete NotebookLM MCP documentation.

## Version Updates

- VERSION: 3.13.0 → 3.14.0
- Synced across: README.md, guide/cheatsheet.md, guide/ultimate-guide.md, machine-readable/reference.yaml

## CHANGELOG.md

- Added comprehensive v3.14.0 entry with NotebookLM MCP documentation details
- Moved previous [Unreleased] items to v3.14.0
- Updated templates count: 86 → 83 (accurate count)

## Documentation Changes

Already committed in ff3458a:
- guide/ai-ecosystem.md: +603 lines (§ 4.1-4.5)
- guide/ultimate-guide.md: +3 lines (MCP integration mention)
- Complete coverage of 16 MCP tools across 3 profiles

## Landing Site Sync

- Landing site updated: 3.13.0 → 3.14.0
- All checks passing (version, templates, quiz, guide lines)
- Verified with ./scripts/check-landing-sync.sh

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

guide/cheatsheet.md

@@ -6,7 +6,7 @@
 
 **Written with**: Claude (Anthropic)
 
-**Version**: 3.13.0 | **Last Updated**: January 2026
+**Version**: 3.14.0 | **Last Updated**: January 2026
 
 ---
 
@@ -465,4 +465,4 @@ where.exe claude; claude doctor; claude mcp list
 
 **Author**: Florian BRUNIAUX | [@Méthode Aristote](https://methode-aristote.fr) | Written with Claude
 
-*Last updated: January 2026 | Version 3.13.0*
+*Last updated: January 2026 | Version 3.14.0*

guide/ultimate-guide.md

@@ -10,7 +10,7 @@
 
 **Last updated**: January 2026
 
-**Version**: 3.13.0
+**Version**: 3.14.0
 
 ---
 
@@ -15050,4 +15050,4 @@ Common misconceptions we've seen:
 
 **Contributions**: Issues and PRs welcome.
 
-**Last updated**: January 2026 | **Version**: 3.13.0
+**Last updated**: January 2026 | **Version**: 3.14.0