add folders structure

app/controllers/templates_uploads_controller.rb

@@ -6,6 +6,7 @@ class TemplatesUploadsController < ApplicationController
   def create
     @template.account = current_account
     @template.author = current_user
+    @template.folder = TemplateFolders.find_or_create_by_name(current_user, params[:folder_name])
     @template.name = File.basename(params[:files].first.original_filename, '.*')
 
     @template.save!