Adding a github icon in Footer

[marshadkhn]

Hey @Neilblaze , @AbhiPatel10 and @kartikayasija I gone through all the assigned and unassigned issue in AISKCON-CONSTRUCTION and checked the whole website While testing the website I found a basic add on in the footer section Footer contain the social media links, that one link is missing of GITHUB

Footer now

Footer should be

_Assign me this basic add-on

[Raunak-Srivastava]

I would like to work on it. I will also link to their respective links if you will provide me the social media handles. Please assign me this under GSSoC'23. @Neilblaze @AbhiPatel10 @kartikey129

[akanksha984]

Please assign it to me under gssoc'23. I want to work on it

[marshadkhn]

Guys open your own issues

[Vaishwanavi]

please assign me this issues under GSSOC'23.I would like to work on it.