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

apps/api/.env.example

@@ -0,0 +1,17 @@
+# Database
+DATABASE_URL=postgresql://user:password@localhost:5432/todo_app
+
+# Server
+PORT=3001
+NODE_ENV=development
+
+# Auth
+APP_URL=http://localhost:5173
+ALLOWED_ORIGINS=http://localhost:5173,https://todo.donovankelly.xyz
+
+# Email (Resend)
+RESEND_API_KEY=re_xxxxx
+FROM_EMAIL=noreply@donovankelly.xyz
+
+# Hammer API
+HAMMER_API_KEY=your-secure-api-key-here