feat(config): 添加应用下载链接配置项

- 在开发环境配置文件中添加应用下载链接
- 在生产环境配置文件中添加应用下载链接
- 统一配置项命名规范为 downdload-url- 设置默认下载链接地址为指定服务器路径

ruoyi-admin/src/main/resources/application-dev.yml

@@ -279,3 +279,6 @@ justauth:
       client-id: 10**********6
       client-secret: 1f7d08**********5b7**********29e
       redirect-uri: ${justauth.address}/social-callback?source=gitea
+
+app:
+  downdload-url: http://218.244.141.18:10301/business/versionManagement/downloadAppIosUrl

ruoyi-admin/src/main/resources/application-prod.yml

@@ -280,3 +280,6 @@ justauth:
       client-id: 10**********6
       client-secret: 1f7d08**********5b7**********29e
       redirect-uri: ${justauth.address}/social-callback?source=gitea
+
+app:
+  downdload-url: http://218.244.141.18:10301/business/versionManagement/downloadAppIosUrl