fix: imports

Author: rakibansary

src/common/challenge-helper.js

@@ -1,6 +1,8 @@
 const challengeTypeService = require("../services/ChallengeTypeService");
 const challengeTrackService = require("../services/ChallengeTrackService");
 const timelineTemplateService = require("../services/TimelineTemplateService");
+const HttpStatus = require("http-status-codes");
+const _ = require("lodash");
 const errors = require("./errors");
 const config = require("config");
 const axios = require("axios");