feat(samples): add create permission sample for drive v3

[prasad2512]

Description

Adds a new sample create-permission.js under samples/drive/ demonstrating how to create permissions on a Google Drive file using Drive v3 and google.auth.GoogleAuth. Also updates samples/drive/README.md with instructions and adds test coverage in samples/test/test.samples.drive.js.

Impact

Provides a standard, modern example for managing Drive permissions using GoogleAuth, resolving a common request for Drive v3 examples.

Testing

• Sample tests passed: npx mocha test/test.samples.drive.js (6 passing)
• Lint check passed: npm run lint (0 errors)

Additional Information

Follows the updated pattern in the repository using google.auth.GoogleAuth without deprecated local-auth.

Checklist

• Make sure to open an issue as a bug/issue before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea
• Ensure the tests and linter pass
• Code coverage does not decrease
• Appropriate docs were updated
• Appropriate comments were added, particularly in complex areas or places that require background
• No new warnings or issues will be generated from this change

Fixes #3407 🦕