Add TopLiba (#1003)

* test

* cleanup

deleted unused `fetchFile` import
replaced fetch with `fetchApi`

* eslint

* fix

* fix multi

* Hmm, what to do next.

* test URLSearchParams

* fix

proxy_server.js

@@ -1,7 +1,5 @@
 import http from 'http';
 import httpProxy from 'http-proxy';
-import url from 'url';
-import fs from 'fs';
 
 const CLIENT_HOST = 'http://localhost:3000';
 const proxy = httpProxy.createProxyServer({});