added to remote repo

frontend/node_modules/hasown/index.d.ts

@@ -0,0 +1,4 @@
+declare function hasOwn<O, K extends PropertyKey>(o: O, p: K): p is K & keyof O;
+declare function hasOwn<O, K extends PropertyKey, V = unknown>(o: O, p: K): o is O & Record<K, V>;
+
+export = hasOwn;