Tbolt/3257 state admin cert endpoint

[tbolt]

Resolves #3257

Description-
Adds endpoint /auth/certifications to allow a Fed Admin to submit a state admin certification letter

This pull request was tested in the follow ways…

• Using an HTTP Client, tested with no jwt, a not logged-in jwt, an un-authorized jwt, and a valid jwt
• With a valid token, tested with a sample payload with both valid and invalid data

Steps to manually verify this change...

1. Using an HTTP Client first attempt to POST to the endpoint auth/certifications with no valid jwt, verify a 401 is thrown
2. Then attempt with a non-Federal admin role, and verify a 403
3. Use the sample JSON below and verify a 200
4. Attempt the above again and verify 400 as the email + state must be unique

Sample JSON Body

{
  "ffy": "2021"
  "name": "Roger Klotz",
  "email": "fake@email.com",
  "phone": "4105555555",
  "state": "md",
  "fileUrl": "/auth/certifications/files/12345"
}

This pull request is ready to review when...

• Automated tests are updated (and all tests are passing)
• The change has been documented
• Associated OpenAPI documentation has been updated
• Changelog is updated as appropriate
• The experience passes a basic manual accessibility audit (keyboard nav, screenreader, text scaling) OR an exemption is documented

This pull request can be merged when…

• Code has been reviewed by someone other than the original author
• QA has verified the accessibility and functionality related to the change
• Design has approved the experience
• Product has approved the experience

[codecov-commenter]

Codecov Report

Merging #3450 (d82bd22) into development (bcea0d2) will increase coverage by 0.03%.
The diff coverage is 80.00%.

@@               Coverage Diff               @@
##           development    #3450      +/-   ##
===============================================
+ Coverage        88.57%   88.60%   +0.03%     
===============================================
  Files              282      284       +2     
  Lines             5591     5615      +24     
  Branches          1073     1073              
===============================================
+ Hits              4952     4975      +23     
- Misses             586      587       +1     
  Partials            53       53              

Impacted Files	Coverage Δ
api/db/certifications.js	60.00% <60.00%> (ø)
api/routes/auth/certifications/post.js	81.25% <81.25%> (ø)
api/routes/auth/certifications/index.js	100.00% <100.00%> (ø)
api/routes/auth/certifications/openAPI.js	100.00% <100.00%> (ø)
api/files/local.js	38.09% <0.00%> (+19.04%)	⬆️

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[cms-eapd-bot]

This deploy was cleaned up.

[knollfear]

LGTM!

[knollfear]

should this not trigger next to kick it over to the error handler?