docs: add/adjust docstrings for components

[AstreaTSS]

Pull Request Type

• Feature addition
• Bugfix
• Documentation update
• Code refactor
• Tests improvement
• CI/CD pipeline enhancement
• Other: [Replace with a description]

Description

This PR adds docstrings to v2 components and adjusts other docstrings. This allows v2 components to appear, and addresses some other issues with v1 components.

Changes

See the above.

Related Issues

N/A

Test Scenarios

N/A

Python Compatibility

• I've ensured my code works on Python 3.10.x
• I've ensured my code works on Python 3.11.x

Checklist

• I've run the pre-commit code linter over all edited files
• I've tested my changes on supported Python versions
• I've added tests for my code, if applicable
• I've updated / added documentation, where applicable