Refactor enums docs

[rubo]

Changes

Documented enums with System.ComponentModel.DescriptionAttribute to improve docs generation.

Types of changes

What types of changes does your code introduce?

• [ ] Bugfix (a non-breaking change that fixes an issue)
• [ ] New feature (a non-breaking change that adds functionality)
• [ ] Breaking change (a change that causes existing functionality not to work as expected)
• [ ] Optimization
• [ ] Refactoring
• [x] Documentation update
• [ ] Build-related changes
• [ ] Other: Description

Testing

Requires testing

• [ ] Yes
• [x] No