New AI Features and Brand Management Enhancements

Added:

• The Plan Downgrade modal now shows AI credits information for current and new plans.
• Brands now display AI credits in their theme summaries.
• New font options are available for brand design customization.
• Store management features let users create and manage stores.
• AI can generate social media post captions to ease content creation.
  Improved:
• AI credits display clearly as 'Unlimited' when applicable.
• Brand creation modal offers better workspace settings management.
• Subscription messages for free plans have clearer information.
  Fixed:
• Brand updates now reflect changes accurately in the user interface.
• User role errors are fixed to ensure proper access control.