Add Admin Dashboard Button on Homepage for Admin Users

Feature Request

Add a button linking to the Admin Dashboard on the homepage of job postings, visible only when an admin user is logged in.

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Details

• Current Behavior: The homepage of job postings does not display a link or button to the Admin Dashboard.
• Expected Behavior: If an admin is logged in, a button labeled "Admin Dashboard" should be visible on the homepage. Clicking the button should redirect to the admin dashboard.

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Acceptance Criteria

1. Display the "Admin Dashboard" button on the homepage only when:
   • The logged-in user is an admin.
   • Proper authentication and role checks are performed.
2. Ensure the button is styled consistently with the website's UI.
3. Redirect the button to the correct admin dashboard route (e.g., /admin/dashboard).

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Suggested Implementation

• Add a conditional check for the admin role in the homepage component.
• Use role-based authentication to display the button.
• Apply existing styles or create a new button style if necessary.