Initial commit: Drone Footage Manager with Video Compression

- React frontend with video/image browser
- Python FastAPI backend with video compression
- Docker containerized setup
- Video compression with FFmpeg (two-pass encoding)
- Real-time job monitoring with SSE
- Global active jobs monitor
- Clickable header to reset navigation
- Toast notifications for user feedback

.gitignore

@@ -0,0 +1,54 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+venv/
+ENV/
+.venv
+
+# Node
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+dist/
+build/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Environment
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Docker logs
+*.log
+
+# Local sensitive data - drone footage
+data/
+footage/
+videos/
+media/
+
+# Database files
+*.db
+*.sqlite
+*.sqlite3
+
+# Temporary files
+*.tmp
+*.temp