add templates and submissions search

app/controllers/templates_archived_controller.rb

@@ -3,6 +3,7 @@
 class TemplatesArchivedController < ApplicationController
   def index
     templates = current_account.templates.where.not(deleted_at: nil).preload(:author).order(id: :desc)
+    templates = Templates.search(templates, params[:q])
 
     @pagy, @templates = pagy(templates, items: 12)
   end