[feature] Support user management through crd

[runkecheng]

Is your feature request related to a problem? Please describe.

Describe the solution you'd like

• [x] Create
• [x] Delete
• [x] Hosts
• [x] Permissions
• [x] Grant Option #557
• [x] SSL Options #573
• [x] Change password #585
• [ ] Change tls type
• [ ] webhook
• [ ] Revoke (pending)
• [ ] Auth plugin (pending)
• [ ] Resource Options (pending)
• [ ] Password Options (pending)
• [ ] Lock Options (pending)

Describe alternatives you've considered

Extend kubectl. reference: https://github.com/kubernetes/sample-cli-plugin

Additional context