Add polls (#10111)

* Add polls

Fix #1629

* Add tests

* Fixes

* Change API for creating polls

* Use name instead of content for votes

* Remove poll validation for remote polls

* Add polls to public pages

* When updating the poll, update options just in case they were changed

* Fix public pages showing both poll and other media

config/routes.rb

@@ -362,6 +362,10 @@ Rails.application.routes.draw do
         resource :accounts, only: [:show, :create, :destroy], controller: 'lists/accounts'
       end
 
+      resources :polls, only: [:create, :show] do
+        resources :votes, only: :create, controller: 'polls/votes'
+      end
+
       namespace :push do
         resource :subscription, only: [:create, :show, :update, :destroy]
       end