Feat: #497 - Added Github link in the footer

[ManikBansal07]

Related Issue

Closes #497

Description

Added the github link in the footer section

Checklist

• [x] My code adheres to the established style guidelines of the project.
• [x] I have included comments in areas that may be difficult to understand.
• [x] My changes have not introduced any new warnings.
• [x] I have conducted a self-review of my code.

[ManikBansal07]

Screenshot of the change?

Screenshot:

Video:

https://github.com/Eduhub-Community/Eduhub-Community.github.io/assets/92663395/6b236014-11cc-46bd-9662-b169847db5b6