Feat/ps/assign user roles backend

[aliassan]

Description

Assign user roles back-end implementation.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes/features)
• Docs have been added / updated (for bug fixes / features)

[dasarathg68]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 19.08397% with 106 lines in your changes missing coverage. Please review.

Project coverage is 59.72%. Comparing base (b8619be) to head (6130d69).

Files with missing lines	Patch %	Lines
backend/src/controllers/teamController.ts	7.31%	33 Missing and 5 partials ⚠️
...ctions/SingleTeamView/forms/AddMemberRolesForm.vue	0.00%	13 Missing and 6 partials ⚠️
app/src/components/NotificationDropdown.vue	35.71%	16 Missing and 2 partials ⚠️
...src/components/forms/roles/AddRoleCategoryForm.vue	0.00%	7 Missing and 1 partial ⚠️
...mponents/sections/SingleTeamView/MemberSection.vue	27.27%	8 Missing ⚠️
app/src/components/forms/roles/AddRoleForm.vue	0.00%	4 Missing and 1 partial ⚠️
app/src/utils/generalUtil.ts	16.66%	4 Missing and 1 partial ⚠️
.../src/components/forms/roles/AddEntitlementForm.vue	0.00%	1 Missing and 1 partial ⚠️
.../components/sections/role-categories/RoleTable.vue	0.00%	2 Missing ⚠️
app/src/views/RoleCategoryView.vue	0.00%	1 Missing ⚠️

Additional details and impacted files

@@                       Coverage Diff                        @@
##           feature/permissioning-system     #311      +/-   ##
================================================================
- Coverage                         65.20%   59.72%   -5.48%     
================================================================
  Files                               132      154      +22     
  Lines                              4403     5140     +737     
  Branches                           1102     1304     +202     
================================================================
+ Hits                               2871     3070     +199     
- Misses                             1253     1704     +451     
- Partials                            279      366      +87     

Flag	Coverage Δ
api-unit-tests	26.61% <13.63%> (-1.05%)	⬇️
app-unit-tests	61.04% <21.83%> (-6.57%)	⬇️

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