Refactor the app to use Express server and Jest for tests

src/captcha/harvester.ts

@@ -1,5 +1,5 @@
 import got from 'got'
-import { sleep } from '../utils'
+import { sleep } from '../services/utils'
 
 /*
     This method uses the captcha-harvester project:

src/captcha/index.ts

@@ -1,4 +1,4 @@
-import log from "../log";
+import log from "../services/log";
 
 export enum CaptchaType {
   re = 'reCaptcha',