add server

manage-server/routes/api.php

 Route::get('/maternity_matron_orders', 'MaternityMatronOrderController@list');
 Route::get('/product_orders', 'ProductOrderController@list');
 Route::get('/server_infos', 'ServerInfoController@list');
+Route::get('/server_fields', 'CommonController@server_json');
 Route::get('/classifies', 'ClassifyController@list');
 Route::get('/company_info', 'CompanyInfoController@info');