proxy-router

feature

1. health check
2. auto select best one
3. extract proxies from file/url with delimiter like \n
4. write script to extract proxies from file/url

      function extract(doc) {
          var regex = /host=([\d\.]+)&port=(\d+)/g;
          var matched = doc.matchAll(regex);
          var result = [];
          for (const element of matched) {
            var proxy = {"type":"http", "server": `${element[1]}:${element[2]}`};
            result.push(proxy);
          }
          return result;
        }