Added Discord i frame

Author: guranshdeol

_layouts/default.html

@@ -66,6 +66,9 @@ <h3> Practice Docker Tutorial </h3>
 
         <div class="hackr-widget" data-tutorial="dockerlabs-docker-and-kubernetes" data-type="1"></div><script src="https://hackr.io/widget.js?v=1.0"></script>
         {% if site.github.is_project_page %}
+        <h3> Join Collabnix Discord Channel </h3>
+        
+       <iframe src="https://discordapp.com/widget?id=1020180904129335379&theme=dark" width="1200" height="500" allowtransparency="true" frameborder="0"></iframe>
        <a class="twitter-timeline" data-width="1200" data-height="500" href="https://twitter.com/collabnix?ref_src=twsrc%5Etfw">Tweets by collabnix</a> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>