⚡️ 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

.gitignore

@@ -1,6 +1,7 @@
 # python and toolchains
 .mypy_cache/
 __pycache__/
+.pytest_cache/
 
 # idea
 .idea/