added profile URL

extension/ui/pages/help.html

@@ -458,7 +458,7 @@
 			<li>
 				<a id="contributors">Contributors</a>
 				<ul>
-					<li>Japanese translation, done by Shitennouji （四天王寺)</li>
+					<li>Japanese translation, done by Shitennouji （四天王寺) (<a href="https://github.com/Shitennouji">Github profile</a>)</li>
 					<li>Polish translation done by xesarni (<a href="https://github.com/xesarni">Github profile</a>)</li>
 					<li>Russian translation done by rstp14 (<a href="https://github.com/rstp14">Github profile</a>)</li>
 				</ul>