Initial commit: Project foundation

- Backend: Go API server with Gin framework
- Frontend: React setup (placeholder)
- ML Service: Python FastAPI skeleton
- Docker Compose: Full stack configuration
- Database: PostgreSQL schema with migrations
- Documentation: Implementation plan and README

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

frontend/.gitignore

@@ -0,0 +1,25 @@
+# Dependencies
+node_modules/
+.pnp
+.pnp.js
+
+# Build
+dist/
+build/
+.vite/
+
+# Cache
+.cache/
+*.tsbuildinfo
+
+# Environment
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Debug logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*