convert more widgets to classes

Zotlabs/Widget/Zcard.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Zotlabs\Widget;
+
+class Zcard {
+
+	function widget($args) {
+		$channel = channelx_by_n(\App::$profile_uid);
+		return get_zcard($channel,get_observer_hash(),array('width' => 875));
+	}
+}