feat: initialize k-tv-frontend with Next.js and Tailwind CSS

- Added package.json with dependencies and scripts for development, build, and linting.
- Created postcss.config.mjs for Tailwind CSS integration.
- Added SVG assets for UI components including file, globe, next, vercel, and window icons.
- Configured TypeScript with tsconfig.json for strict type checking and module resolution.

k-tv-frontend/components/ui/aspect-ratio.tsx

@@ -0,0 +1,11 @@
+"use client"
+
+import { AspectRatio as AspectRatioPrimitive } from "radix-ui"
+
+function AspectRatio({
+  ...props
+}: React.ComponentProps<typeof AspectRatioPrimitive.Root>) {
+  return <AspectRatioPrimitive.Root data-slot="aspect-ratio" {...props} />
+}
+
+export { AspectRatio }