Update webpack message

Author: rossta

app/javascript/components/App.vue

@@ -8,7 +8,7 @@
 export default {
   data: function () {
     return {
-      message: "Hello Vue!"
+      message: "Hello from Webpack!"
     }
   }
 }

spec/system/welcomes_spec.rb

@@ -6,7 +6,7 @@
       visit "/"
 
       expect(page).to have_content('Welcome')
-      expect(page).to have_content('Hello Vue')
+      expect(page).to have_content('Hello from Webpack')
 
       expect(page).to have_content('Your domain: subdomain.localhost.ross')
       expect(page).to have_content('Your protocol: https://')