Add support for dark mode

[x0bd]

Is your feature request related to a problem? Please describe.
The current UI is not very readable in low light conditions. It would be great if there was a dark mode option that would make the text and icons easier to see.

Describe the solution you'd like
It should change color when darkmode is enabled and also offer a toggle to manually switch

Describe alternatives you've considered
No alternatives

Additional context
No additional context

[sksabbirhossain]

i want to make this dark mode feature.

[supermadu7]

I am willing to contribute to this project accordingly. Please allow me to do so. Thank you...!