feat(service): 添加PetStore API服务层实现

实现PetStore API的所有服务接口，包括用户、宠物和商店相关操作
添加类型定义、基础API请求和Vue Query封装
配置openapi-ts-request生成器路径

openapi-ts-request.config.ts

@@ -3,7 +3,7 @@ import type { GenerateServiceProps } from 'openapi-ts-request'
 export default [
   {
     schemaPath: 'http://petstore.swagger.io/v2/swagger.json',
-    serversPath: './src/service/app',
+    serversPath: './src/service',
     requestLibPath: `import request from '@/http/vue-query';\n import { CustomRequestOptions } from '@/http/interceptor';`,
     requestOptionsType: 'CustomRequestOptions',
     isGenReactQuery: true,