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>

backend/.gitignore

@@ -0,0 +1,22 @@
+# Go
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+*.test
+*.out
+go.work
+
+# Binary
+/bin/
+/build/
+server
+
+# Vendor
+vendor/
+
+# vmalert rules (generated)
+configs/vmalert-rules/*.yml
+configs/vmalert-rules/*.yaml
+!configs/vmalert-rules/.gitkeep