shuffling code so it can be reused outside the engine

app/helpers/merged/merged_helper.rb

@@ -1,35 +1,8 @@
-require "redcarpet"
 
 module Merged
   module MergedHelper
     include OptionsHelper
-
-    def renderer
-      options = {hard_wrap: true , autolink: true, no_intra_emphasis: true ,
-          safe_links_only: true, no_styles: true ,
-          link_attributes: { target: '_blank' }}
-      html = Redcarpet::Render::HTML.new(options)
-      Redcarpet::Markdown.new(html, options)
-    end
-
-    def prose_classes
-      classes  = "prose lg:prose-lg "
-      classes += "prose-headings:text-inherit "
-      { class: classes }
-    end
-
-    def markdown_image(section)
-      return "" unless section.text
-      down = self.renderer.render(section.text)
-      image = image_for(section)
-      down.gsub("IMAGE" , image).html_safe
-    end
-
-    def markdown(text)
-      text = text.text unless text.is_a?(String)
-      return "" if text.blank?
-      self.renderer.render(text).html_safe
-    end
+    include SharedHelper
 
     def aspect_ratio image
       x , y = image.aspect_ratio