Add sharing to BBS page

wordle.php

@@ -56,6 +56,7 @@
 		[<a href="?source">source</a>]
 		[<a href="<?php echo "mailto:?subject=$subject&body=$urlmessage"; ?>">email</a>]
 		[<a href="<?php echo "sms:?body=$urlmessage"; ?>">sms</a>]
+		[<a target="_blank" href="<?php echo "https://bbs.xn--rck9c.xn--tckwe/?comment=$urlmessage"; ?>">bbs</a>]
 		[<a target="_blank" href="<?php echo "https://www.tumblr.com/widgets/share/tool?shareSource=legacy&canonicalUrl=&posttype=text&url=xn--rck9c.xn--tckwe&title=$subject&content=$urlmessage"; ?>">tumblr</a>]
 		[<a target="_blank" href="<?php echo "https://old.reddit.com/submit" . ($mobile ? '.compact' : '') . "?title=$subject&text=$urlmessage"; ?>">reddit</a>]
 		<script>