feat: add sleep util

src/utils.ts

@@ -3,3 +3,6 @@ export const extractJSONObjectFromString = (text: string): string | undefined =>
 
 export const extractJSONArrayFromString = (text: string): string | undefined =>
   text.match(/\[(.|\n)*\]/gm)?.[0]
+
+export const sleep = (ms: number) =>
+  new Promise((resolve) => setTimeout(resolve, ms))