feat: 初始化多个小程序和前端项目

- 新建多个小程序的 app.js、app.json 和 app.wxss 文件
- 新建多个前端项目的 App.vue 文件
- 添加 .gitignore 文件和后端 API 的 .env.example 文件

frontend/insurance-supervision/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "farming-management",
+  "version": "1.0.0",
+  "description": "锡林郭勒盟安格斯牛养殖管理系统",
+  "author": "xlxumu team",
+  "private": true,
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "vue": "^3.2.0",
+    "vue-router": "^4.0.0",
+    "ant-design-vue": "^3.0.0",
+    "pinia": "^2.0.0",
+    "echarts": "^5.0.0"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^3.0.0",
+    "vite": "^3.0.0",
+    "typescript": "^4.0.0",
+    "@types/node": "^18.0.0"
+  }
+}