chore: Use Typescript to lint JSDoc annotations (#986)

This patch starts using typescript to lint JSDoc annotations.

Note: this uses typescript's bleeding edge. We should migrate to stable once
it has all the necessary bugfixes.

References #65.

lib/NavigatorWatcher.js

@@ -18,7 +18,7 @@ const {helper} = require('./helper');
 
 class NavigatorWatcher {
   /**
-   * @param {!Session} client
+   * @param {!Puppeteer.Session} client
    * @param {boolean} ignoreHTTPSErrors
    * @param {!Object=} options
    */