updated footer theme in dark mode

[the-code-artist]

Successfully updated the theme switching of the footer in light and dark mode

Fixes #281

Type of change

Please give a X on it which is applicable

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactor Code
• A documentation update
• Others(mentioned in the issue number)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

Test A Describe here
Locally tested the website after making the changes and everything is fine.

Test B Describe here (if Requred)

Screenshorts and Vedios:

footer in Light mode

footer in Dark mode

Checklist:

give a X on it which is applicable

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

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[hustlerZzZ]

Great work

[github-actions]

Congratulations, Your pull request has been successfully merged 🥳🎉 Thank you for your contribution to the project 🚀 Keep Contributing!! ✨