Phase 1 #21 #22 #25 #26: GIS + IoT + DevOps + Notify

#21 GIS 引擎集成:
- GeoServer init 脚本（自动创建工作区/数据源）
- Leaflet 地图组件 (Vue3 MapView: 点位/弹窗/OSM底图)
- GisService: PostGIS 空间查询(附近设备/片区统计/GeoJSON)
- GisController: /nearby /device-stats /geojson API

#22 IoT 设备接入层:
- Kafka Consumer: iot.telemetry + iot.event 消费
- DeviceController: 设备列表/详情/注册/指令下发 REST API

#26 消息通知:
- NotifyService: 短信/WebSocket/APP Push/多渠道分发
- NotifyController: SMS/Push API

#25 DevOps:
- 10个微服务 Dockerfile (Eclipse Temurin JRE17)
- CI build.sh: Maven构建 + Docker镜像打包
- Frontend Nginx 反向代理配置

docker/frontend/nginx.conf

@@ -0,0 +1,8 @@
+server {
+    listen 80;
+    server_name localhost;
+    root /usr/share/nginx/html;
+    index index.html;
+    location / { try_files $uri /index.html; }
+    location /api/ { proxy_pass http://wm-gateway:8080/; }
+}