[Feature] : Singin & signup theme adoption

[sivaprasath2004]

What feature?

• In i will change the light mode to dark the signin form cannot proper active theme.
• If i will except for the mode can be changed form also adoptive theme like dark or light.

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• [X] I have checked the existing issues
• [X] I have read the Contributing Guidelines
• [X] I agree to follow this project's Code of Conduct
• [X] I want to work on this issue

[github-actions[bot]]

Thank you for opening an issue! We will look into it ASAP. star the repo if you like it.

[Saurav-Pant]

Go ahead @sivaprasath2004