add facebook shizzle

app/assets/javascripts/theme1/facebook.js.coffee.erb

@@ -1,4 +1,4 @@
-<%- if Rails.env.production? -%>
+<% if Rails.env.production? %>
 window.fbAsyncInit = ->
   FB.init
     appId: '653729178057509'
@@ -14,4 +14,4 @@ window.fbAsyncInit = ->
   js.src = '//connect.facebook.net/en_US/sdk.js'
   fjs.parentNode.insertBefore js, fjs
 ) document, 'script', 'facebook-jssdk'
-<%- end -%>
+<% end %>

app/views/theme1/_footer.html.slim

@@ -2,6 +2,7 @@
   .footer-shadow
   .footer-content-container
     .footer-content
+      .fb-like data-href="http://mozo.bar/" data-layout="button" data-action="like" data-show-faces="true" data-share="true"
       = yield :footer
       = link_to 'disclaimer', go_to_path('disclaimer', locale: 'en')
       '