#272 Admin delete user

[Christian-Ishimwe]

PR Description

This PR Allows the admins, the super admin to delete the user.

Description of tasks to be completed

• Admin should be able to delete the user
• We should notify the admin when he deletes the TTL with the Team
• We should notify the admin when he deletes the Coordinator
• We should make the TTL and coordinators null when deleted

How should it be tested

1. Clone this repo
2. checkout to the branch: git checkout ft-deleteuser-272
3. install the packages by npm install
4. make sure the set the .env variales as described in .env.example
5. run seed by npm run seed
6. After, use the graphql,apollo server to sign in as the admin

PR Checklist:

• My code follows the style guidelines of this project.
• I have performed a self-review of my code.
• My code generates no warnings.
• I have commented my code, particularly in hard-to-understand areas.
• My test coverage meets the set test coverage threshold.
• There are no vulnerabilities.
• There are no conflicts with the base branch.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 7.14286% with 26 lines in your changes missing coverage. Please review.

Please upload report for BASE (develop@fe7a224). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
src/resolvers/userResolver.ts	4.34%	22 Missing ⚠️
src/resolvers/cohort.resolvers.ts	20.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             develop     #300   +/-   ##
==========================================
  Coverage           ?   18.43%           
==========================================
  Files              ?       82           
  Lines              ?     2669           
  Branches           ?      756           
==========================================
  Hits               ?      492           
  Misses             ?     2175           
  Partials           ?        2           

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[aimedivin]

@Christian-Ishimwe , @elijahladdie
Work on requested changes on FE make sure you also updates BE