Rectified nav-items' position

[deprov447]

Description

Centered the position of Navbar Items in SideNav in index.html

Fixes #56

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] Any dependent changes have been merged and published in downstream modules
• [x] I have added all the three reviewers: @vinitshahdeo, @kashish121 & @ishika1727

[deprov447]

@Kashish121 @vinitshahdeo @ishika1727 Please review this PR

[Kashish121]

@deprov447 can you please also add the screenshot of the final output?

[deprov447]

@Kashish121 Screenshots in 2 different viewport sizes:

[deprov447]

@vinitshahdeo I have merged the commit in this PR only issue #70

[deprov447]

@ishika1727 @Kashish121 @vinitshahdeo Please review the changes.

[deprov447]

@Kashish121 @ishika1727 @vinitshahdeo please review the PR