Highlight the section in navbar when it is Active

[Medha170]

Currently, when we are on some page, it is difficult for user to locate where are we from the current UI. For example if we are in the Revisions page the navbar is shown something like this: Make it easier for the user something like this:

[rushil-118]

I want to solve this issue

[charanbhatia]

Please assign this issue to me !!