feat: app update

[kimyearho]

No description provided.

[ci-reporter]

The build is failing

✨ Good work on this PR so far! ✨ Unfortunately, the Travis CI build is failing as of e3b9c0d. Here's the output:

npm test

> electron-apps@1.7379.0 test /home/travis/build/electron/apps
> mocha --reporter min test/human-data.js test/colors-spec.js && standard --fix


  14369 passing (3s)
  2 pending
  1 failing

  1) human-submitted app data
       metube-electron
         icon
           exists as metube-electron-icon.png:

      metube-electron-icon.png not found
      + expected - actual

      -false
      +true
      
      at Context.it (test/human-data.js:134:46)

I'm sure you can fix it! If you need help, don't hesitate to ask a maintainer of the project!

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[ckerr]

Thank you! :D