Add tracking of OAuth app that posted a status, extend OAuth apps to have optional website field, add application details to API, show application name and website on detailed status views. Resolves #11

app/models/concerns/application.rb

@@ -0,0 +1,8 @@
+module ApplicationExtension
+  extend ActiveSupport::Concern
+  included do
+    validates :website
+  end
+end
+
+Doorkeeper::Application.send :include, ApplicationExtension

app/models/status.rb

@@ -7,6 +7,8 @@ class Status < ApplicationRecord
 
   enum visibility: [:public, :unlisted, :private], _suffix: :visibility
 
+  belongs_to :application, class_name: 'Doorkeeper::Application'
+
   belongs_to :account, inverse_of: :statuses
   belongs_to :in_reply_to_account, foreign_key: 'in_reply_to_account_id', class_name: 'Account'