How to add Structured Data on Website for search engines?


I was just analysing my website on the google webmaster tools and I found out that even though there are many items listed on the website the search engine is unable to find the structured data for the item which is basically based on

I would like to know if its possible to generate the website from within frappe to be able to include the item data as structured data and if not then if any one is willing to develop the same for us.