Add dark mode feature

[vamzx]

Allow users to toggle the themes from dark to light mode

I am a GSSOC '24 contributor and I have just worked on this feature in another project, please assign this to me

[vamzx]

I am unable to run the app since it is missing the google-services.json file of this project. Could you please add it to the repo and let me know so that I can start working on this?

[Pratikdate]

Create project at firebase and download google-services.json file.

[shayaanahmad7]

Hello @Pratikdate Sir , I think I can contribute on this issue, please assign this to me!!!

[vamzx]

@Pratikdate I will be pushing the changes in the next two days sir.

[aikansh008]

please assign this issue to me

[Vedanshi27vishu]

Please assign this task to me.

[vamzx]

Was facing some issues, I will update the repo and raise a PR this week.

[crazyshrut]

hey @Pratikdate , I am gssoc contributor. Can you assign this issue to me?