Add back missing glitch-soc admin settings (#1919)

Fixes #1890

config/routes.rb

@@ -274,6 +274,7 @@ Rails.application.routes.draw do
       resource :about, only: [:show, :update], controller: 'about'
       resource :appearance, only: [:show, :update], controller: 'appearance'
       resource :discovery, only: [:show, :update], controller: 'discovery'
+      resource :other, only: [:show, :update], controller: 'other'
     end
 
     resources :site_uploads, only: [:destroy]