Draft: [NEW] add images to the sitemap page like on google

https://avan.tech/item69232-Use-version-2-of-https-github-com-melbahja-seo-to-add-meta-tags-and-schema-support-to-pages with this commit i add the possibility to have to add the link of our images towards our various page which are on the sitemap. in continuation i will add also the images which are on the article and finally the video which is in the pages and the articles.