Frontend: Build the MegaMenu sub component for both Light and Dark mode

[Lovelyfin00]

Issue Summary

The design for the MegaMenu as part of the Navbar component has being completed and now it needs to be built using our chosen tech stacks.

Figma link

The design for the MegaMenu can be found here. Please make sure what you build follows the design.

Suggested fix

• Build the MegaMenu component following the design in the Figma file.
• Make sure your codes are maintainable and legible.
• After coding the component using React and scss, create storybook for the component.
• Test it out on your end and make sure it's working properly.

Coding Rules

• Let your codes look neat and readable
• No unnecessary spacing and always leave one empty line after each code block
• Separate each word with a hyphen - in your scss classes, ids.

PR Rules

• Link the issue your PR is for by saying Fixes #PRNumber
• Add a description of what your PR is about
• Add screenshots or video of the working implementation of your PR

[Lovelyfin00]

Nobody wants to pick this up?

[adityavpawar]

Please assign me this issue so that I can resolve it under GSSOC-23

[Lovelyfin00]

Ok sure You can start working on it @adityavpawar