Feat/speaker skill tag

[Ezi-code]

Pull Request

Description

Please include a summary of the change and which issue is fixed. Also describe your changes in detail.

Create speaker skill tag feature to return skills of a speaker independently from the user profile endpoint that contains speaker skills as well.
The changes include:

• Create crud endpoints for creating and removing skill tags independently, without refreshing the whole user table
• Allow multiple use cases of the skill tags, instead of relying solely on the speaker profile detailed view to have access to a speakers' skills.

Type of change

• Bug fix
• New feature
• Breaking change
• Documentation update
• Other (please describe):

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Pre-commit runs successfully locally

Related Issues

Fixes # (issue)

Screenshots (if applicable)

Additional Notes

Add any other context or information here.