Add avatar.

mastodon-api-comments.js

@@ -70,9 +70,17 @@ function author_html(status)
 {
     const p = document.createElement("p");
     p.setAttribute("class", "mastodon-api-comment-author");
+
+    const img = document.createElement("img");
+    img.setAttribute("class", "mastodon-api-comment-avatar");
+    img.setAttribute("src", status.account.avatar);
+    p.appendChild(img);
+    p.innerHTML += " ";
+
     const strong = document.createElement("strong");
     strong.appendChild(document.createTextNode(status.account.display_name));
     p.appendChild(strong);
+
     p.appendChild(
         document.createTextNode(" (" + status.account.acct + ") wrote on "
                                 + get_status_time(status) + ":"));