chore: fixed path level server and description requirement in spec fi…

…le (#247)

* chore: fixed path level server and description requirement in spec file

* chore: fixed eslint error

src/services/twilio-api/api-browser.js

@@ -75,10 +75,12 @@ class TwilioApiBrowser {
  const path = entry[1];
  if (key === '/healthcheck') return;
  // Naive assumption: The Twilio APIs only have a single server.
- path.server = path.servers[0].url;
+ if (path.servers === undefined) path.server = spec.servers[0].url;
+ else path.server = path.servers[0].url;
  delete path.servers;
 
  path.operations = {};
+ if (path.description === undefined) path.description = '';
  path.description = path.description.replace(/(\r\n|\n|\r)/gm, ' ');
 
  // Move the operations into an operations object.