Added dynamic command for manual import cluster

[RealRTorres]

Description

Deleted irrelevant textfields for proper manual importing clusters. Added a command that is to take cluster name and insert to clusteradm join --hub-token --cluster-name <Cluster Name> for user to copy and paste into the CLI.

Changes Made

• Delete irrelevant textfields and variables
• Added generated command for CLI
• Added copy button

Checklist

Please ensure the following before submitting your PR:

• I have reviewed the project's contribution guidelines.
• I have written unit tests for the changes (if applicable).
• I have updated the documentation (if applicable).
• I have tested the changes locally and ensured they work as expected.
• My code follows the project's coding standards.

Screenshots or Logs (if applicable)

Additional Notes

Still need to update the directions under manual import, add the CSR status updates, and connect to the backend.

[clubanderson]

You're still missing a parameter in the command.