Implement CASL for access control

[cherylli]

Description

Implemented CASL for access control, replacing @ROLE, and @Permission. Also updated ideation e2e tests to match the newer e2e tests, and updated readme.

More permissions will have to be added, this PR just replaces the routes with roles/permission based control.

Some extra stuff on confluence:
https://suwanna.atlassian.net/wiki/spaces/SD/pages/76349451/CASL

Issue link

No issue, this is in prepartion for adding more permissions https://app.clickup.com/t/86azr0q42

Type of change

• Bug fix (non-breaking change which fixes an issue)
• Feature updates / changes
• Tests
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Tested with swagger, unit tests and e2e tests

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 tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have updated the change log

[timDeHof]

Everything looks great! I like how readable abilities are.

[curtwl]

lgtm