Add admin's avatar on about page

static/main.css

@@ -559,7 +559,8 @@ form.new-post input[type="submit"]:hover { background: #DADADA; }
 .stats > div {
 	display: flex;
 	flex-direction: column;
-	text-align: center;
+	justify-content: center;
+    align-items: center;
 }
 
 .stats em {

templates/instance/about.html.tera

@@ -29,6 +29,7 @@ About {{ instance.name }}
             </div>
             <div>
                 <p>{{ "Administred by" | _ }}</p>
+                <img class="avatar small" src="{{ admin.avatar }}" alt="{{ admin.name }}">
                 <p><a href="/@/{{ admin.fqn }}">{{ admin.name }}</a><small>(@{{ admin.fqn }})</small></p>
             </div>
         </section>