Basic add-contrib form

app/controllers/application.js

@@ -0,0 +1,4 @@
+import Ember from 'ember';
+
+export default Ember.Controller.extend({
+});

app/controllers/index.js

@@ -11,4 +11,6 @@ export default Ember.Controller.extend({
 
   kredits: service(),
 
+  contractInteractionEnabled: computed.alias('kredits.web3Provided'),
+
 });