feat: 添加租户列表接口，优化租户相关功能；更新前端租户列表和收藏功能

frontend/portal/src/api/tenant.js

@@ -2,6 +2,10 @@ import { request } from '../utils/request';
 
 export const tenantApi = {
     get: (id) => request(`/tenants/${id}`),
+    list: (params) => {
+        const qs = new URLSearchParams(params).toString();
+        return request(`/tenants?${qs}`);
+    },
     follow: (id) => request(`/tenants/${id}/follow`, { method: 'POST' }),
     unfollow: (id) => request(`/tenants/${id}/follow`, { method: 'DELETE' }),
 };