[UI Feature] Page to manage Trial templates

[andreyvelich]

/kind feature

The new Katib UI should have a page to manage Trial templates.

/cc @kimwnasptd

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[andreyvelich]

/lifecycle frozen

[andreyvelich]

/priority p2