Add Discord Channel

[ajeetraina]

As Collabnix has discord channel, it would be great to have the following entry in _layouts/index.html:

<h3> Join Collabnix Discord Channel </h3>
        
       <iframe src="https://discordapp.com/widget?id=1020180904129335379&theme=dark" width="350" height="500" allowtransparency="true" frameborder="0"></iframe>

[guranshdeol]

sir is it has to look the same way as twitter timeline shows up?

[guranshdeol]

nd also a little button here too!!