First PR | added Mutation functions for Email Verification using OTP

[KhushiTayal]

What kind of change does this PR introduce?

Mutation functions for email verification using otp , for signup.

Issue Number:

Improve registration validation #492 (talawa-admin)

Did you add tests for your changes?

Nope . Please help with that .

Snapshots/Videos:

Okay

If relevant, did you update the documentation?

Not relevant

Summary

Improving Registration through email otp verification

Does this PR introduce a breaking change?

No

Other information
No

Have you read the contributing guide?

Yes

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[codecov]

Codecov Report

Merging #1242 (d372696) into develop (b7bf9b3) will increase coverage by 0.90%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #1242      +/-   ##
===========================================
+ Coverage    98.61%   99.52%   +0.90%     
===========================================
  Files          176      177       +1     
  Lines        11055    10258     -797     
  Branches       836      765      -71     
===========================================
- Hits         10902    10209     -693     
+ Misses         153       48     -105     
- Partials         0        1       +1     

see 15 files with indirect coverage changes

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[Cioppolo14]

There isn’t an issue assigned to you for this PR. Please follow the guidelines in our PR_GUIDELINES.md file. We have the procedures in place so that everyone has a fair chance of contributing. I will be closing this pull request. Please follow the procedures.