chore(bower): add bower.json

[ruant]

Add bower.json file to allow people to install via bower.

After merged you should follow this to get it registered. https://bower.io/docs/creating-packages/#register

[codecov-io]

Current coverage is 94.23% (diff: 100%)

Merging #132 into master will increase coverage by 0.10%

@@             master       #132   diff @@
==========================================
  Files            24         24          
  Lines          1926       1926          
  Methods         330        330          
  Messages          0          0          
  Branches        209        209          
==========================================
+ Hits           1813       1815     +2   
  Misses           99         99          
+ Partials         14         12     -2   

Powered by Codecov. Last update 53845b0...c83be47

[ruant]

More info about the bower.json file can be found here: https://github.com/bower/spec/blob/master/json.md

[jwaliszko]

Thanks for contribution.

jarek