Added newt.vim mirror

Author: splorp

index.html

@@ -33,7 +33,7 @@ <h2><a id="tools">Development Tools</a></h2>
 			<dt><a id="newt0" href="http://gnue.github.com/NEWT0">NEWT/0</a> (Mac OS X, Linux, FreeBSD, Windows, BeOS; open source)</dt>
 			<dd>A NewtonScript interpreter by Makoto Nukui.</dd>
 
-			<dt><a id="newtvim" href="http://www.vim.org/scripts/script.php?script_id=4589">newt.vim</a> (Vim; unknown license)</dt>
+			<dt><a id="newtvim" href="http://www.vim.org/scripts/script.php?script_id=4589">newt.vim</a> (Vim; unknown license; mirror: <a href="https://github.com/vim-scripts/newt.vim">GitHub</a>)</dt>
 			<dd>A cross-platform <a href="http://www.vim.org/">Vim</a> syntax highlighter for the NewtonScript language by Layána Ǩaynolj Konóvo.</dd>
 
 			<dt><a id="newtdevenv" href="http://communicrossings.com/html/newton/newtdev.htm"><img src="img/icons/newtdevenv-32x32.gif" alt="" />NewtDevEnv</a> (a.k.a. Newt; Newton OS; shareware)</dt>