feat: implement CI/CD pipeline with Gitea Actions

- Add Gitea Actions workflow with 4 stages: lint, test, build, push
- Configure ruff linting and formatting checks
- Set up Django tests with PostgreSQL and Redis services
- Implement Docker image building for web and celery services
- Add requirements.txt and requirements-dev.txt generation
- Fix ipdb compatibility issues in test runner
- Update ruff configuration for Django compatibility
- Add comprehensive CI/CD documentation

pyproject.toml

@@ -82,9 +82,9 @@ dev = [
     "click==8.1.7",
     "typer==0.9.0",
     
-    # Debugging
-    "ipdb==0.13.13",
-    "pdbpp==0.10.3",
+    # Debugging (removed due to compatibility issues)
+    # "ipdb==0.13.13",
+    # "pdbpp==0.10.3",
     
     # Additional tools
     "watchdog==3.0.0",