Add ability to delete Maybe account (#698)

* Build out user deactivation and purging workflows

* Add i18n translations for user deletion

* Add tests for user deletion

* Fix lint issue

app/controllers/settings/profiles_controller.rb

@@ -17,6 +17,15 @@ class Settings::ProfilesController < ApplicationController
     end
   end
 
+  def destroy
+    if Current.user.deactivate
+      logout
+      redirect_to root_path, notice: t(".success")
+    else
+      redirect_to settings_profile_path, alert: Current.user.errors.full_messages.to_sentence
+    end
+  end
+
   private
 
   def user_params