feat: 恭学教育基地管理系统初始提交

- 后端: NestJS 11 + TypeORM + JWT认证 + SQLite/MySQL
- 前端: React 19 + Ant Design 6 + Vite 8 + ECharts
- 功能模块: 数据面板、学生管理、宿舍管理、入住管理、费用录入、账单管理、教室管理、押金管理、操作日志、账号管理
- 支持Docker一键部署

backend/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:22-alpine AS builder
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+
+FROM node:22-alpine
+WORKDIR /app
+COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package.json ./
+EXPOSE 3000
+CMD ["node", "dist/main.js"]