[FRONTEND] Create Shared Navbar for Navigation

[YKawesome]

Description

Create a Navbar component which includes links to the following pages:

• User Info (/users)
• NPO Details (/npos)
• Coming Soon (/tbd)

We will use this component at the top of the page to simplify navigation, per the NPO's request.

Recommended Steps

• Create a new branch (you can create it right from the issue in the right sidebar under "Development")
• Review App.jsx for existing routes
• Create Navbar.jsx file in src/components
• Implement the Navbar with links to the pages in the above description
• Test all links thoroughly and take a screenshot of the Navbar

Acceptance Criteria

• Navbar contains links to all above pages
• Navbar matches the Chakra UI design system
• Navbar links correctly link (no broken links)

Resources

• Chakra UI Components