Fix #52 - Add API versioning (v1)

app/controllers/api/v1/apps_controller.rb

@@ -0,0 +1,13 @@
+class Api::V1::AppsController < ApplicationController
+  respond_to :json
+
+  def create
+    @app = Doorkeeper::Application.create!(app_params)
+  end
+
+  private
+
+  def app_params
+    params.permit(:name, :redirect_uri)
+  end
+end