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-backend/api/src/routes/mod.rs

@@ -0,0 +1,18 @@
+//! API Routes
+//!
+//! Defines the API endpoints and maps them to handler functions.
+
+use crate::state::AppState;
+use axum::Router;
+
+pub mod auth;
+pub mod channels;
+pub mod config;
+
+/// Construct the API v1 router
+pub fn api_v1_router() -> Router<AppState> {
+    Router::new()
+        .nest("/auth", auth::router())
+        .nest("/channels", channels::router())
+        .nest("/config", config::router())
+}