added v3 clean_html

lib/docs/filters/craft_cms/clean_html_v3.rb

@@ -0,0 +1,21 @@
+module Docs
+  class CraftCms
+    class CleanHtmlV3Filter < Filter
+      def call
+        
+        # Add <a> for quick lookup
+        css('header.h3 h3').each do |node|
+          name = node.at_css('code').content.strip
+          tag  = name.tr('()', '') + '-detail'
+          node.at_css('code').inner_html = "<a id=" + tag + ">" + name + "</a>"
+        end
+        
+        css('h2').each do |node|
+          node.at_css('a')['id'] = node.at_css('a')['href'].tr('#', '')
+        end
+        
+        doc
+      end
+    end
+  end
+end