Adding "Using UI video" on the horizontal nav bar

[bhanvimenghani]

We want the UI to have a link to the "How to use ui" video on the horizontal navigation bar towards the RHS corner. It should be a text with a hyperlink to the below loom video.

https://www.loom.com/share/d7ace86fddad43918f777835f70b743f?sid=50c6a852-df0d-450d-b280-766a25947604