refactor: move README-BUILD-GUARD.md to doc/ folder

- Move README-BUILD-GUARD.md from root to doc/ folder for better organization
- Update all references in README.md to point to new location
- Follows project structure conventions for documentation organization

README.md

@@ -36,7 +36,7 @@ git commit --no-verify
 git push --no-verify
 ```
 
-**📚 Full documentation**: See `README-BUILD-GUARD.md`
+**📚 Full documentation**: See `doc/README-BUILD-GUARD.md`
 
 ## 🚀 Quick Start
 
@@ -82,7 +82,7 @@ timesafari/
 ├── 📁 .husky/           # Git hooks (Build Architecture Guard)
 ├── 📄 BUILDING.md       # Build system documentation
 ├── 📄 pull_request_template.md # PR template
-└── 📄 README-BUILD-GUARD.md # Guard system documentation
+└── 📄 doc/README-BUILD-GUARD.md # Guard system documentation
 ```
 
 ## 🔧 Build System
@@ -97,7 +97,7 @@ This project supports multiple platforms:
 ## 📚 Documentation
 
 - **`BUILDING.md`** - Complete build system guide
-- **`README-BUILD-GUARD.md`** - Build Architecture Guard documentation
+- **`doc/README-BUILD-GUARD.md`** - Build Architecture Guard documentation
 - **`pull_request_template.md`** - PR template for build changes
 
 ## 🤝 Contributing
@@ -115,4 +115,4 @@ This project supports multiple platforms:
 
 **Note**: The Build Architecture Guard is active and will block
 commits/pushes that modify build files without proper documentation
-updates. See `README-BUILD-GUARD.md` for complete details.
+updates. See `doc/README-BUILD-GUARD.md` for complete details.