Update TUI to v1.3 with enhanced conversion layer and dual UI architecture

- ai.md: Added comprehensive documentation for TUI v1.3 conversion layer with 64+ supported components, CSS styling, and JavaScript interaction capabilities
- oss/tui/: Created complete TUI module with converter.py implementing HTML/CSS/JS to terminal conversion engine, supporting 40+ component types and advanced styling
- oss/tui/plugin.py: Implemented TUI plugin with dual startup architecture accessing WebUI's /tui interface for HTML conversion and terminal rendering
- store/@{NebulaShell}/webui/tui/: Added TUI package with converter, configuration files, and index.html for terminal interface
- store/@{NebulaShell}/webui/core/server.py: Enhanced WebUI server with TUI interface endpoints (/tui/*) for providing special-marked HTML to conversion layer
- store/@{NebulaShell}/webui/main.py: Updated WebUI plugin to support TUI dual launch with automatic homepage redirection and navigation integration
- .gitignore: Updated ignore patterns for better project cleanliness

The update provides a sophisticated terminal interface that automatically converts WebUI content through a powerful transformation layer, enabling seamless dual-mode operation.

.gitignore

@@ -1,32 +1,35 @@
 ```
 # Python
 __pycache__/
-*.pyc
-*.pyo
-*.pyd
-.Python
+*.py[cod]
+*$py.class
 *.so
-.coverage
-htmlcov/
-.coverage.*
-.pytest_cache/
-.mypy_cache/
-.tox/
-.venv/
-venv/
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Environment
 .env
 .env.local
 *.env.*
 
-# Build artifacts
-dist/
-build/
-*.egg-info/
-
 # Logs
 *.log
 
-# Editors
+# Editor
 .vscode/
 .idea/
 *.swp