Fix footer on mobile view

[supriya46788]

Fix footer responsiveness of privacy policy page and help center page

[github-actions]

Thank you for raising this issue!

We'll review it as soon as possible. We truly appreciate your contributions! ✨

Meanwhile make sure you've visited the README.md, CONTRIBUTING.md, and CODE_OF_CONDUCT.md before creating a PR for this. Also, please do NOT create a PR until this issue has been assigned to you. 😊

[Diksha78-bot]

Hi , I am GSSOC'25 contributor.
I would like work on this issue , could you assign this issue to me?

[supriya46788]

@Diksha78-bot you can start working

[Diksha78-bot]

Thanks for assigning this issue.

[Diksha78-bot]

Hey , i have made changes and i have raised the pr also you can check it out