Settings SPA works

.babelrc

@@ -8,11 +8,11 @@
           "browsers": "> 1%",
           "uglify": true
         },
-        "useBuiltIns": true
+        "useBuiltIns": true,
+        "loose": true
       }
     ],
-    "react",
-    "es2015"
+    "react"
   ],
   "plugins": [
     "syntax-dynamic-import",

config/routes.rb

@@ -8,6 +8,9 @@ Rails.application.routes.draw do
 
     root 'projects#index'
 
+    # React Frontend-Framework
+    get '/react/settings', to: 'react/settings#index'
+
     # Save sample table state
     post '/state_save/:team_id/:user_id',
          to: 'user_samples#save_samples_table_status',