Add LiveReload Instructions to README
Add LiveReload Instructions to README

I figured others were probably wondering how to get LiveReload enabled for this app, so I just went ahead and added a quick summary on how to do so. Hope this is helpful to you all!
jgadbois/ember-cli-rails,thoughtbot/ember-cli-rails,rwz/ember-cli-rails,johan--/ember-cli-rails,seanpdoyle/ember-cli-rails,KeenRegard/ember-cli-rails,jesenko/ember-cli-rails,weggesser/ember-cli-rails,rwz/ember-cli-rails,koryteg/glimmer-rails,macroplant/ember-cli-rails,seanpdoyle/ember-cli-rails,harisadam/ember-cli-rails,weggesser/ember-cli-rails,Szeliga/ember-cli-rails,thefrontside/ember-cli-rails,koryteg/glimmer-rails,rwz/ember-cli-rails,thoughtbot/ember-cli-rails,stevehanson/ember-cli-rails,seanpdoyle/ember-cli-rails,weggesser/ember-cli-rails,thoughtbot/ember-cli-rails,koryteg/glimmer-rails