Update link to Nightly builds

Author: hazzik

index.html

@@ -13,7 +13,7 @@
 		<a href="/doc/tutorials/first-nh-app/your-first-nhibernate-based-application.html">Getting Started Guide</a> 
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-		<small style="font-size: 0.7em;"><a href="http://groups.google.com/group/nhusers">Find answers in our forums</a> | <a target="_blank" href="doc/nh/en/index.html">Read the in-depth manual</a> | <a href="https://nhibernate.info/feed.xml">Keep up to date (RSS)</a> <br /><a href="success-stories.html">Success Stories</a> | </small><a target="_self" href="books.html" title="Buy a Book">Buy a Book</a><small style="font-size: 0.7em;"> | <a href="https://www.myget.org/gallery/nhibernate">Install Nightly build</a></small>
+		<small style="font-size: 0.7em;"><a href="http://groups.google.com/group/nhusers">Find answers in our forums</a> | <a target="_blank" href="doc/nh/en/index.html">Read the in-depth manual</a> | <a href="https://nhibernate.info/feed.xml">Keep up to date (RSS)</a> <br /><a href="success-stories.html">Success Stories</a> | </small><a target="_self" href="books.html" title="Buy a Book">Buy a Book</a><small style="font-size: 0.7em;"> | <a href="https://cloudsmith.io/~nhibernate/repos/nhibernate-core/packages/">Install Nightly build</a></small>
 	</p>
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