⚡️ Refactor LiteyukiBot structure and add configuration loading

- Updated .gitignore to include .pytest_cache
- Replaced FastAPI with Daemon in main.py for bot execution
- Enhanced pyproject.toml with new dependencies and dev group
- Added iniconfig package for pytest configuration
- Created initial structure for liteyukibot with context management
- Implemented configuration loading functions for YAML, JSON, and TOML
- Added tests for configuration loading with temporary files
- Set up GitHub Actions for pytest testing on push and pull requests

main.py

@@ -1,6 +1,5 @@
-from fastapi import FastAPI
-import uvicorn
+from liteyukibot import Daemon
 
 if __name__ == "__main__":
-    app = FastAPI()
-    uvicorn.run(app, host="0.0.0.0", port=8080)
+    daemon = Daemon()
+    daemon.run()