Fix wrong directory in Rails Installation section
Fix wrong directory in Rails Installation section

Sub-directory should be `vendor/assets/javascripts/interact` not `app/vendor/assets/javascripts/interact`. See [Asset Organization for Rails 4](http://guides.rubyonrails.org/v4.0.8/asset_pipeline.html#asset-organization) for proper asset directories.
taye/interact.js,taye/interact.js,taye/interact.js