feat(xumu): 实现畜牧平台登录页面

- 新增登录页面组件 AppSign
- 添加用户名和密码登录功能
- 集成二维码登录
- 优化页面样式和布局

package.json

@@ -13,7 +13,8 @@
     "predev": "node bin/scanApps.js",
     "preoms": "dotenv -e .env.oms node bin/scanApps.js",
     "prexumu": "dotenv -e .env.xumu node bin/scanApps.js",
-    "preview:xumu":"dotenv -e .env.xumu node bin/build.js&& vue-cli-service serve --mode xumu"
+    "view:xumu": "vue-cli-service serve --mode xumu",
+    "preview:xumu": "dotenv -e .env.xumu node bin/build.js"
   },
   "dependencies": {
     "@amap/amap-jsapi-loader": "^1.0.1",