Add Nimbus318 and Shouren as new HAMi maintainers

[Shouren]

This PR updated the information of maintainers and added Shouren as new HAMi maintainer

• Update Maintainers information Project-HAMi/HAMi#1646

This PR added Nimbus318 as new HAMi maintainer

• Fix typos, add more contributors and maintainers. Project-HAMi/HAMi#765

Checklist for maintainer updates

Note

Delete this template if you're not changing the CSV file

• You've provided a link to documentation where the project has approved the maintainer changes.
• The maintainer(s) also created or updated their LFX Individual Dashboard profile.
• You've sent an email with the list of email address(es) to cncf-maintainer-changes@cncf.io for invitations to Service Desk and mailing lists. You can just mark this complete if you are only removing people.
• Optional: You've also sent a PR with affiliation updates to cncf/gitdm.