feat: initial commit with Nuxt 3 student management system

- Add Nuxt 3 + Prisma + SQLite full-stack setup
- Add student CRUD API with batch import/export
- Add stats dashboard with gender/class distribution
- Add target community settings feature
- Add Docker deployment support (Dockerfile + docker-compose)
- Add README with development and deployment instructions

docker-compose.yml

@@ -0,0 +1,25 @@
+version: '3.8'
+
+services:
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: student-app
+    ports:
+      - "3000:3000"
+    volumes:
+      # 持久化数据库文件
+      - student-data:/app/data
+    environment:
+      - DATABASE_URL=file:./data/student.db
+      - NODE_ENV=production
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "wget", "--spider", "-q", "http://localhost:3000"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+
+volumes:
+  student-data: