Show image underneath the settings

just before the long description (if there is one)

scripts/boxesserver

@@ -263,6 +263,13 @@ class BServer:
 <div class="clear"></div>
 <hr />
 """)
+        no_img_msg = _('There is no image yet. Please donate an image of your project on <a href=&quot;https://github.com/florianfesti/boxes/issues/140&quot;>GitHub</a>!')
+
+        result.append(f'''<div>
+<img src="static/samples/{box.__class__.__name__}.jpg" width="100%" onerror="this.parentElement.innerHTML = '{no_img_msg}';"/>
+</div>
+''')
+
         if box.description:
             result.append(markdown.markdown(_(box.description)))
         result.append("""

static/self.css

@@ -76,6 +76,7 @@ table {
      margin-left: auto;
      margin-right: auto;
      padding: 10px;
+     padding-bottom: 15px;
      width: 996px;
      -webkit-border-radius: 30px;
 	border-radius: 30px;