feat: add GameGroup2 project with frontend and backend

- Add .gitignore for Node.js and PocketBase projects
- Add frontend (Vue 3 + Vite + TypeScript)
- Add backend (PocketBase)
- Add deployment scripts and Docker compose configs

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

docker-compose.dev.yml

@@ -0,0 +1,18 @@
+services:
+  frontend-dev:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile
+    container_name: gamegroup-frontend-dev
+    ports:
+      - "7033:80"
+    environment:
+      - NODE_ENV=production
+    restart: unless-stopped
+    networks:
+      - gamegroup-net
+
+networks:
+  gamegroup-net:
+    driver: bridge
+    external: true