Update public/imgs/thumbnails/sdg.png, public/js/add_content.js

public/js/add_content.js

@@ -78,7 +78,7 @@ function addcontent(item) {
     var sdgProjectHTML = ''
     if ('sdgImage' in item.links) {
       var sdgProjectLink = item.links.sdgImage 
-      sdgProjectHTML = `<a class="btn btn-sm btn-outline-info mt-1" href="${sdgProjectLink}" target="_blank"> <i class="fas fa-book"></i> SDG Project</a> &nbsp;`
+      sdgProjectHTML = `<a class="btn btn-sm btn-outline-info mt-1" href="${sdgProjectLink}" target="_blank"><img src="imgs/thumbnails/sdg.png" alt="SDG Project" width="20" height="20"> SDG Project</a> &nbsp;`;
     }
    /* var sdgProjectHTML = '';
     if ('sdgImage' in item) {