feat: Suggest Category button in user profile

Description:

Added a new Suggest Category feature in the User Profile page to allow users to suggest categories they feel are missing or required in the platform.

Type of Change:

• Bug Fix
• Feature Development
• Documentation

Testing:

• Tested on desktop
• Tested on mobile
• Tested in different browsers

Screenshots (if applicable):

Checklist:

• Code follows project style guidelines
• Self-review completed
• No console errors
• TypeScript types are correct

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##Closes: #296