[O2B-1120] Add QC flags creation API

[xsalonx]

I have a JIRA ticket

• branch and/or PR name(s) include(s) JIRA ID
• issue has "Fix version" assigned
• issue "Status" is set to "In review"
• PR labels are selected

Notable changes for users:

• NA

Notable changes for developers:

• Added QC flags creation API

Changes made to the database:

• NA

[codecov]

Codecov Report

Attention: Patch coverage is 89.39394% with 7 lines in your changes are missing coverage. Please review.

Project coverage is 44.30%. Comparing base (24ddf8b) to head (1d0795e).
Report is 389 commits behind head on main.

Files	Patch %	Lines
...erver/services/qualityControlFlag/QcFlagService.js	88.88%	6 Missing ⚠️
lib/server/controllers/qcFlag.controller.js	91.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1499      +/-   ##
==========================================
- Coverage   48.78%   44.30%   -4.48%     
==========================================
  Files         528      802     +274     
  Lines        7968    13412    +5444     
  Branches     1477     2391     +914     
==========================================
+ Hits         3887     5942    +2055     
- Misses       4081     7470    +3389     

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