Added About Us feature to navigation

[meghanakn473]

Description

About us page helps users to know more about the website and project, learns mission and vission of the project.

Related Issue

Fixes #376

https://github.com/user-attachments/assets/965a85b4-d0f1-46f6-8ff2-7edbdd84d141

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [X ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• [X ] My code follows the style guidelines of this project
• [ X] I have performed a self-review of my own code
• [ X] I have commented on my code, particularly in hard-to-understand areas
• [ X] I have added tests that prove my fix is effective or that my feature works
• [ X] New and existing unit tests pass locally with my changes
• [ X] Any dependent changes have been merged and published in downstream modules

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Name	Status	Preview	Comments	Updated (UTC)
bio-branch-site	❌ Failed (Inspect)			Nov 8, 2024 4:09pm

[meghanakn473]

@subhadipbhowmik please review and allow merge and kindly assign level 3, gssoc-extd labels