Add pg_verifybackup documentation in English and Chinese

[guanLouise]

closes: #ISSUE_Number

---

Change logs

Describe your change clearly, including what problem is being solved or what document is being added or updated.

Contributor's checklist

Here are some reminders before you submit your pull request:

• Make sure that your Pull Request has a clear title and commit message. You can take the Git commit template as a reference.
• Learn the code contribution and doc contribution guides for better collaboration.
• Make sure that your changes deployment preview is successful.
• List your communications in the GitHub Issues or Discussions (if has or needed).
• Feel free to ask for the cloudberry committers or other people to help review and approve.

[github-actions]

Hiiii, @guanLouise welcome!🎊 Thanks for taking the effort to make our project better! 🙌 Keep making such awesome contributions!

[TomShawn]

Suggested change

	`pg_verifybackup` is a command-line tool used to verify the integrity and consistency of PostgreSQL database backups. It helps ensure that backup files are reliable when needed for data recovery.
	`pg_verifybackup` is a command-line tool used to verify the integrity and consistency of Apache Cloudberry database backups. It helps ensure that backup files are reliable when needed for data recovery.

[TomShawn]

Apache Cloudberry cannot be installed with package manager.

[tuhaihe]

Close it since there's been no response for a long time. If not, please reopen it.