Add Shake to Remix

[nicksahler]

Resolves #112

[googlebot]

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[googlebot]

Thanks for your pull request. It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

:memo: Please visit https://cla.developers.google.com/ to sign.

Once you've signed, please reply here (e.g. I signed it!) and we'll verify. Thanks.

---

• If you've already signed a CLA, it's possible we don't have your GitHub username or you're using a different email address. Check your existing CLA data and verify that your email is set on your git commits.
• If you signed the CLA as a corporation, please let us know the company's name.

[nicksahler]

I signed it!

[googlebot]

CLAs look good, thanks!

[googlebot]

CLAs look good, thanks!

[codecov-io]

Current coverage is 66.35% (diff: 0.00%)

Merging #115 into develop will decrease coverage by 1.09%

@@            develop       #115   diff @@
==========================================
  Files            50         51     +1   
  Lines          1275       1296    +21   
  Methods           0          0          
  Messages          0          0          
  Branches        150        152     +2   
==========================================
  Hits            860        860          
- Misses          363        384    +21   
  Partials         52         52          

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