feat: 初始化居家上门服务系统完整项目代码

- Spring Boot 后端服务 (hss-home-service)
- delivery-miniapp 配送小程序
- website 官网 (Nuxt)
- docs 架构设计文档
- Docker 容器化部署配置

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

hss-home-service/website/Dockerfile

@@ -0,0 +1,12 @@
+FROM node:20-alpine AS builder
+WORKDIR /build
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY . .
+RUN npm run generate
+
+FROM nginx:alpine
+COPY --from=builder /build/.output/public /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]