docs: use readthedocs urls for root docs to bypass sphinx xref issues

Author: arounamounchili

CHANGELOG.md

@@ -43,7 +43,7 @@ Edit > Preferences > Get Extensions > Install from Disk
 ```
 
 **Documentation:**
-- [Architecture Guide](https://github.com/arounamounchili/linkforge/blob/main/docs/source/explanation/ARCHITECTURE.md)
+- [Architecture Guide](https://linkforge.readthedocs.io/en/latest/explanation/ARCHITECTURE.html)
 - [Contributing Guide](CONTRIBUTING.md)
 
 **Contributors:**

CONTRIBUTING.md

@@ -93,7 +93,7 @@ linkforge/
 └── build_extension.py    # Extension builder script
 ```
 
-See [ARCHITECTURE](docs/source/explanation/ARCHITECTURE.md) for detailed architecture diagrams.
+See [ARCHITECTURE](https://linkforge.readthedocs.io/en/latest/explanation/ARCHITECTURE.html) for detailed architecture diagrams.
 
 ## Development Workflow
 
@@ -455,7 +455,7 @@ subprocess.run(["pytest", "tests/integration/"])
 
 ## Getting Help
 
-- **Documentation**: Check [ARCHITECTURE](docs/source/explanation/ARCHITECTURE.md) and [README.md](README.md)
+- **Documentation**: Check [ARCHITECTURE](https://linkforge.readthedocs.io/en/latest/explanation/ARCHITECTURE.html) and [README.md](README.md)
 - **Issues**: Search [existing issues](https://github.com/arounamounchili/linkforge/issues)
 - **Discussions**: Ask in [GitHub Discussions](https://github.com/arounamounchili/linkforge/discussions)
 

README.md

@@ -181,7 +181,7 @@ LinkForge uses a "Self-Contained" bundling strategy for wheels. To update or add
 ## 📚 Documentation
 
 - **[Read the Docs](https://linkforge.readthedocs.io/)** - Complete documentation
-- **[Architecture Guide](https://github.com/arounamounchili/linkforge/blob/main/docs/source/explanation/ARCHITECTURE.md)** - System design with diagrams
+- **[Architecture Guide](https://linkforge.readthedocs.io/en/latest/explanation/ARCHITECTURE.html)** - System design with diagrams
 - **[API Reference](https://linkforge.readthedocs.io/en/latest/reference/api/)** - Programmatic usage
 - **[Getting Started](https://linkforge.readthedocs.io/en/latest/tutorials/index.html)** - User guide
 - **[CHANGELOG](CHANGELOG.md)** - Version history