Fix TemplateComponent error - use iframe or placeholder instead

Fix download route params for Next.js 15 - must await params

Fix Next.js 15 params type - params must be awaited

Add git submodule architecture for templates with Hugging Face integration

feat: enhance template gallery with @hanzo /ui integration and new templates

Fix: Update Button variants to use @hanzo /ui compatible values

feat: Update with official Hanzo logo and shadcn styling

feat: Complete @hanzo /ui integration with proper imports

feat: Complete shadcn/ui integration with Tailwind CSS enhancements

Initial commit: Hanzo Template Gallery with 8 professional templates using @hanzo /ui