fix: Change the AboutUs to About us in Navigation bar

[RedWing0021]

Title and Issue number

Title : #416

Issue No. : #416 Code Stack :

Close #416

Description

Video/Screenshots (mandatory)

Type of PR

• [X] Bug fix
• [ ] Feature enhancement
• [ ] Documentation update
• [ ] Other (specify): ___

Checklist:

• [X] I have performed a self-review of my code.
• [X] I have commented my code, particularly in hard-to-understand areas.
• [X] I have tested the changes thoroughly before submitting this pull request.
• [X] I have provided relevant issue numbers, screenshots, and videos after making the changes.
• [X] I have gone through the contributing.md file before contributing

Additional context:

Are you contributing under any Open-source programme?

• [X] I am contributing under GSSOC'24
• [ ] I am contributing under VSOC'24

[netlify[bot]]

✅ Deploy Preview for taupe-cendol-f7e2bb ready!

Name	Link
🔨 Latest commit	21ce50a06191478ac0cd1781d75922c3685019db
🔍 Latest deploy log	https://app.netlify.com/sites/taupe-cendol-f7e2bb/deploys/66855bf11d0fa30008aac957
😎 Deploy Preview	https://deploy-preview-971--taupe-cendol-f7e2bb.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.