Standardize documentation for crud methods

[dbenshachar]

Description

The documentation for the backend API crud methods needs to be standardized and elaborated on in certain cases.

Notes

• Make sure to run git pull before any development work
• Complete your development in a new branch
• Link this issue to your PR
• Feel free to reach out if you have any questions!

Acceptance Criteria

Modify all route.ts files in the api folder to have standardized documentation and create interfaces so that the information contained in rows of the crud methods are more explicit.

Task

• Change docustrings for all crud functions in api folder
• Add interfaces of what information from SupaBase is returned that is linked to the docustrings.