add all frontend files

node_modules/rc-util/es/isEqual.d.ts

@@ -0,0 +1,9 @@
+/**
+ * Deeply compares two object literals.
+ * @param obj1 object 1
+ * @param obj2 object 2
+ * @param shallow shallow compare
+ * @returns
+ */
+declare function isEqual(obj1: any, obj2: any, shallow?: boolean): boolean;
+export default isEqual;