feat(FE-41): create user API service

src/services/api/user.ts

@@ -0,0 +1,8 @@
+import { BaseApiService } from '@/services/api/base';
+import { CreateUserPayload, UpdateUserPayload, User } from '@/types/api/user';
+
+export const UserApi = new BaseApiService<
+  User,
+  CreateUserPayload,
+  UpdateUserPayload
+>('/users');