feat: add @polar-sh/sveltekit (#539)

* feat add @polar-sh/sveltekit

* remove all lemonsqueezy text

apps/dashboard/src/hooks.server.ts

@@ -0,0 +1,35 @@
+import { validateUser } from '$lib/utils/services/middlewares';
+import type { Handle } from '@sveltejs/kit';
+
+const PUBLIC_ROUTES = [
+  '/api/completion',
+  'student_prove_payment',
+  'teacher_student_buycourse',
+  '/api/polar'
+];
+
+function isPublicRoute(pathname: string) {
+  return PUBLIC_ROUTES.some((route) => pathname.includes(route));
+}
+
+export const handle: Handle = async ({ event, resolve }) => {
+  const response = await resolve(event);
+
+  const { pathname } = event.url;
+
+  // Only validate API routes
+  if (!pathname.includes('/api')) {
+    return response;
+  }
+
+  // Skip public routes
+  if (isPublicRoute(pathname)) {
+    return response;
+  }
+
+  const accessToken = event.request.headers.get('Authorization')!;
+
+  await validateUser(accessToken);
+
+  return response;
+};