feat: 添加alova HTTP请求库及其uniapp适配器

src/utils/request/alova.ts

@@ -0,0 +1,7 @@
+import AdapterUniapp from '@alova/adapter-uniapp'
+import { createAlova } from 'alova'
+
+const http = createAlova({
+  baseURL: import.meta.env.VITE_APP_PROXY_PREFIX,
+  ...AdapterUniapp(),
+})