fix: Add Gitea Actions CI workflow and fix linting issues

.gitignore

@@ -0,0 +1,64 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# Virtual Environment
+venv/
+env/
+ENV/
+env.bak/
+venv.bak/
+
+# Coverage
+.coverage
+.coverage.*
+*.coverag
+htmlcov/
+.tox/
+.nox/
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+*.prof
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Environment
+.env
+.env.local
+*.local
+
+# Type checking
+*.typeddict
+.mypy_cache/