Added query generator module and code refactors

[radhay-samagra]

Description

Code cleaning and Refactoring

Changes

• Added Query Generator Service
• Code Refactors

How to test

Added specs for Query generator service

> jest --runInBand

 PASS  src/admin/admin.service.spec.ts
 PASS  src/admin/admin.controller.spec.ts
 PASS  src/user/user.controller.spec.ts
 PASS  src/user/sms/gupshup/gupshup.service.spec.ts
 PASS  src/user/user.service.spec.ts
 PASS  src/admin/fusionauth/fusionauth.service.spec.ts
 PASS  src/dst/dst.controller.spec.ts
 PASS  src/dst/sms/gupshup/gupshup.service.spec.ts
 PASS  src/dst/dst.service.spec.ts
 PASS  src/dst/otp/otp.service.spec.ts
 PASS  src/user/user-db/user-db.service.spec.ts
 PASS  src/user/otp/otp.service.spec.ts
 PASS  src/admin/query-generator/query-generator.service.spec.ts
 PASS  src/dst/fusionauth/fusionauth.service.spec.ts
 PASS  src/user/fusionauth/fusionauth.service.spec.ts
 PASS  src/user/sms/cdac/cdac.service.spec.ts
 PASS  src/dst/sms/cdac/cdac.service.spec.ts
 PASS  src/dst/sms/sms.service.spec.ts
 PASS  src/app.controller.spec.ts
 PASS  src/user/sms/sms.service.spec.ts
 PASS  src/user/schema/test/schema.spec.ts

Please consider using the closing keyword if the pull request is proposed to fix an issue already created in the repository (https://help.github.com/articles/closing-issues-using-keywords/)

[coveralls]

Pull Request Test Coverage Report for Build 2326867643

• 12 of 13 (92.31%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.5%) to 25.978%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/admin/admin.module.ts	0	1	0.0%
<!--	Total:	12	13	92.31%	-->

Totals
Change from base Build 2313844380:	0.5%
Covered Lines:	352
Relevant Lines:	1312

---

💛 - Coveralls

[github-actions[bot]]

Coverage report

❌ The test suite failed. Please, check the console output for more details.

Report generated by 🧪jest coverage report action from 959784982ee3ea718cce1cfa46bd5fc5d191f7fb