Chore: add an entry for jh show case card

What does this MR do and why?

This MR is only for introducing an entry that allows JiHu to use its own customized component.

/cc @orozot @prajnamas

Chore: add an entry for jh show case card

• Use jh_else_ee for introducing entry for JH.

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.