docs: migrate docusaurus deployment from surge to github pages

[Harshita-Kanal]

Description

Migrate docusaurus deployment from surge to github pages.

Fixes #126

Type of Change:

• Documentation

Code/Quality Assurance Only

• Bug fix (non-breaking change which fixes an issue)
• This change requires a documentation update (software upgrade on readme file)
• New feature (non-breaking change which adds functionality pre-approved by mentors)

How Has This Been Tested?

Checklist:

• [x] My PR follows the style guidelines of this project
• [x] I have performed a self-review of my own code or materials
• [x] I have commented my code or provided relevant documentation, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation

Code/Quality Assurance Only

• [x] Any dependent changes have been published in downstream modules

[Harshita-Kanal]

Added the changes

[Harshita-Kanal]

Fixed the conflict

[vj-codes]

@Aaishpra can you review this again please?

[isabelcosta]

I just set this the GH_PAGES_DEPLOY key, I hope it works now 🙏🏾