Add Forms Publishing related samples

[vibhorrawal]

Forms recently launched publishing APIs, https://developers.google.com/workspace/forms/docs/release-notes#April_08_2025, this change provides snippets on how to use them.

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have performed a peer-reviewed with team member(s)
• 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
• Any dependent changes have been merged and published in downstream modules

[Copilot]

Pull Request Overview

This PR adds a suite of Python snippets demonstrating how to use the new Forms publishing APIs. The samples cover various use cases including publishing, unpublishing, stopping responses, and managing responders.

• Introduces eight independent sample scripts for different publishing-related operations.
• Separates responsibilities between form publish settings (using the Forms API) and responder permissions (using the Drive API).

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
forms/snippets/unpublish_form.py	Sample to unpublish a form by updating its publish settings.
forms/snippets/supports_publishing.py	Checks if a form supports publishing by verifying metadata fields.
forms/snippets/stop_accepting_responses.py	Keeps the form published while stopping new responses.
forms/snippets/remove_responder.py	Removes a responder by deleting their permission on the form.
forms/snippets/publish_form.py	Publishes a form by updating its publish settings.
forms/snippets/get_responders.py	Retrieves the list of responders based on Drive permissions.
forms/snippets/anyone_with_link_responder.py	Provides functions to check, set, and remove the “anyone with the link” responder permission.
forms/snippets/add_responder.py	Adds a specific responder by granting them reader permission using the Drive API.

Comments suppressed due to low confidence (1)

forms/snippets/publish_form.py:27

• Verify that using the 'drive.file' scope for publishing is intended since other publishing samples use 'forms.body'—clarifying the reasoning here would improve API consistency.

"https://www.googleapis.com/auth/drive.file",