Adding Teams endpoints and few validations

[ChellaVignesh]

What

Why

References

Checklist

• Tests

[github-actions]

Conventional Commits Report

😢 No conventional commits found.

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[codecov]

Codecov Report

❌ Patch coverage is 18.30266% with 799 lines in your changes missing coverage. Please review.
✅ Project coverage is 20.15%. Comparing base (8cb3f57) to head (76e76bf).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ficationchannelservice/mocks/MailChannelService.go	0.00%	111 Missing ⚠️
...onchannelservice/mocks/MattermostChannelService.go	0.00%	72 Missing ⚠️
...icationchannelservice/mocks/TeamsChannelService.go	0.00%	72 Missing ⚠️
pkg/web/errmap/mocks/ErrorRegistry.go	0.00%	69 Missing ⚠️
pkg/web/mailcontroller/maildto/request.go	0.00%	61 Missing ⚠️
.../notificationchannelservice/teamsChannelService.go	0.00%	37 Missing ⚠️
...ficationchannelservice/mattermostChannelService.go	0.00%	31 Missing ⚠️
pkg/web/ginEx/mocks/Validate.go	0.00%	31 Missing ⚠️
pkg/web/mailcontroller/maildto/mapper.go	0.00%	31 Missing ⚠️
.../web/mattermostcontroller/mattermostdto/request.go	0.00%	24 Missing ⚠️
... and 28 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #167      +/-   ##
==========================================
+ Coverage   19.47%   20.15%   +0.67%     
==========================================
  Files          51       63      +12     
  Lines        2305     2550     +245     
==========================================
+ Hits          449      514      +65     
- Misses       1816     1995     +179     
- Partials       40       41       +1     

Flag	Coverage Δ
postgres-tests	31.10% <30.67%> (-14.67%)	⬇️
unit-tests	12.00% <12.39%> (-0.12%)	⬇️

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[efernasier]

Please, create a human-compatible branch name the next time 🥲

origin/task/AT-2837-Close-detail-(-T-)-Details-Description-Comments-0-Attachments-Development-Git-Integration-Asset-Team-BE-CRUD-operations-for-Event-type-Teams-and-test-message 🤯