Support Matrix Documentation

[snowmanwwg]

would love to see a compatibility matrix in the documentation with executors in one dimension and launchers in the other and cells mentioning single node/multi-node support.

[github-actions]

This issue is stale because it has been open for 30 days with no activity. Remove stale label or comment or this will be closed in 7 days.

[github-actions]

This issue was closed because it has been inactive for 7 days since being marked as stale.