[Document] Issues in Dark Mode(NavBar)

[Keerthi54654]

Issues -

1. Logo is not getting loaded when we try to switch to the dark mood
2. On the Navbar the text is not visible as per the color change

Screenshort -

[Keerthi54654]

I would like to Work on this as i already looked into the coding so please assign me this

[Parth4git]

@zhoushaw Please give me a chance to work on this issue @Keerthi54654 is already have one more issue assigned