Initial commit: POTE Phase 1 complete

- PR1: Project scaffold, DB models, price loader
- PR2: Congressional trade ingestion (House Stock Watcher)
- PR3: Security enrichment + deployment infrastructure
- 37 passing tests, 87%+ coverage
- Docker + Proxmox deployment ready
- Complete documentation
- Works 100% offline with fixtures

.dockerignore

@@ -0,0 +1,51 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+dist/
+*.egg-info/
+venv/
+.venv/
+env/
+ENV/
+
+# Database
+*.db
+*.sqlite
+*.sqlite3
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Environment
+.env
+.env.local
+
+# Git
+.git/
+.gitignore
+
+# Logs
+*.log
+logs/
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Docs (optional - include if you want them in container)
+docs/
+*.md
+