create custom permission classes

[Ezi-code]

Pull Request

Description

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

Add custom permission that will come in handy for views.
This is to ensure that users with certain level of permission can access certain views.

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.

[Ezi-code]

@JohananOppongAmoateng, could you please take a look at this? If it's still relevant, we can resolve the conflicts and merge it in.