💡 [FEATURE] - Add Opportunities to the Navbar in all existing pages

[sau-mili]

Idea Contribution

• [X] I have read all the feature request issues.
• [X] I'm interested in working on this issue
• [X] I'm part of GSSOC organization

Explain feature request

All pages' navabar do not have the option to go to opportunities page. I wish to add that

Explain your solution

No response

Any alternative approaches/features

No response

Additional Context

No response