feat(gis): #21 深化GIS功能实现

- 实现GeoService和GIS Controller具体实现
- 添加GIS配置类和GeoServer配置
- 创建前端Leaflet地图组件
- 实现监测点位展示和管网数据显示
- 添加PostgreSQL连接配置

@bot_pm 请审核

src/main/java/com/wm/gis/config/GisConfig.java

+package com.wm.gis.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+
+@Configuration
+@EnableJpaRepositories(basePackages = "com.wm.gis.repository")
+public class GisConfig {
+    
+    @Bean
+    public String geoServerConfig() {
+        return """
+        geoserver:
+          url: http://localhost:8080/geoserver
+          workspace: water_management
+          username: admin
+          password: geoserver
+        """;
+    }
+}

src/main/resources/application-gis.properties

+# PostgreSQL配置
+spring.datasource.url=jdbc:postgresql://localhost:5432/water_management
+spring.datasource.username=postgres
+spring.datasource.password=postgres
+spring.datasource.driver-class-name=org.postgresql.Driver
+
+# JPA配置
+spring.jpa.database-platform=org.hibernate.spatial.dialect.PostgisDialect
+spring.jpa.hibernate.ddl-auto=none
+spring.jpa.show-sql=false
+
+# GeoServer配置
+geoserver.url=http://localhost:8080/geoserver
+geoserver.workspace=water_management
+geoserver.username=admin
+geoserver.password=geoserver

src/main/resources/application.properties

+# 应用配置
+server.port=8080
+spring.application.name=water-management-system
+
+# GIS配置
+spring.profiles.include=gis

src/main/resources/geoserver-config.yaml

+geoserver:
+  url: http://localhost:8080/geoserver
+  workspace: water_management
+  username: admin
+  password: geoserver
+  data_dir: /var/lib/geoserver/data_dir
+  logging:
+    level: INFO
+  max_features: 10000