improve section and preview rendering

app/helpers/merged/merged_helper.rb

@@ -97,10 +97,6 @@ module Merged
     def button_classes
       "mr-3 inline-block rounded-lg px-3 py-2 text-md font-medium border border-gray-500"
     end
-    # section should be hash with at least 'template' key
-    def find_template(section)
-      "merged/view/" + section.template
-    end
 
   end
 end

app/helpers/merged/view_helper.rb

@@ -3,6 +3,11 @@ module Merged
     include MergedHelper
     include PagesHelper
 
+    def render_section(section)
+      template = "merged/view/" + section.template
+      render( template , section: section)
+    end
+
     def rows( text )
       return 5 if text.blank?
       text = text.text unless text.is_a?(String)