Initial todo app setup

- Backend: Bun + Elysia + Drizzle ORM + PostgreSQL
- Frontend: React + Vite + TailwindCSS + Zustand
- Auth: better-auth with invite-only system
- Features: Tasks, Projects, Sections, Labels, Comments
- Hammer API: Dedicated endpoints for AI assistant integration
- Unit tests: 24 passing tests
- Docker: Compose file for deployment

.gitignore

@@ -0,0 +1,35 @@
+# Dependencies
+node_modules/
+
+# Build outputs
+dist/
+build/
+.output/
+
+# Environment
+.env
+.env.local
+.env.*.local
+
+# Logs
+*.log
+npm-debug.log*
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Bun
+bun.lockb
+
+# Drizzle
+drizzle/
+
+# Test coverage
+coverage/