add rotate api token button

app/controllers/api_settings_controller.rb

@@ -4,4 +4,14 @@ class ApiSettingsController < ApplicationController
   def index
     authorize!(:read, current_user.access_token)
   end
+
+  def create
+    authorize!(:manage, current_user.access_token)
+
+    current_user.access_token.token = SecureRandom.base58(AccessToken::TOKEN_LENGTH)
+
+    current_user.access_token.save!
+
+    redirect_back(fallback_location: settings_api_index_path, notice: 'API token as been updated.')
+  end
 end