fix streaming issue with Safari

src/app/api/stream/[platform]/[encodedUrl]/route.ts

@@ -28,6 +28,16 @@ export async function GET(req: Request, { params }: GetParams) {
     responseType: "stream",
   });
 
-  return new Response(response.data);
+  const headers = new Headers();
+  
+  headers.set('Content-Type', 'video/mp4');
+  headers.set('Cache-Control', 'no-cache');
+  headers.set('Accept-Ranges', 'bytes');
+  headers.set('Content-Length', response.headers['content-length']);
+  headers.set('Content-Disposition', 'inline');
+
+  return new Response(response.data, {
+    headers,
+  });
 }