feat: add listWebsites function

Author: threeal

lib/utils.d.ts

@@ -0,0 +1,6 @@
+/**
+ * Retrieves a list of websites from Google search results based on the provided keyword.
+ * @param keyword The keyword to search for.
+ * @returns A promise that resolves to an array of website URLs.
+ */
+export declare function listWebsites(keyword: string): Promise<string[]>;