GridClient types and docstrings

[Mahmoud-Emad]

Description

Describe the changes introduced by this PR and what does it affect

Changes

List of changes this PR includes

Related Issues

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Documentation PR

For UI changes, Please provide the Documetation PR on info_grid

Checklist

• [ ] Tests included
• [ ] Build pass
• [ ] Documentation
• [ ] Code format and docstrings
• [ ] Screenshots/Video attached (needed for UI changes)

[Mahmoud-Emad]

PS: We should use "Squash Merge" when merging this PR to compare all of the PR commits.