chore(project): make project easier to contribute to

[kentcdodds]

By swapping ghooks for husky, adding a CONTRIBUTING.md and adding the all-contributors table.

Adding existing committers to the all-contributors table:

@kentcdodds, @remy, @cmalard, @markdalgleish, @ryan-kimber, @jcollado, @jamischarles, @erquhart, @tusharmath, @bitjson, @hisabimbola, @bahmutov, @ds82, @mattlewis92, @tlvince, @adjohnson916, @zetlen, @opatut, @bmds, @Emmurillo, and @Starefossen

Thanks everyone!

ref #53

[codecov-io]

Current coverage is 100% (diff: 100%)

Merging #54 into master will not change coverage

@@           master   #54   diff @@
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  Files           1     1          
  Lines          90    90          
  Methods         0     0          
  Messages        0     0          
  Branches        0     0          
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  Hits           90    90          
  Misses          0     0          
  Partials        0     0          

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