New transient menu for displaying resources

New transient menu for displaying resources

* kubed-transient.el (kubed-transient-display): New command.
(kubed-transient): Bind it.
* kubed.el (kubed-display-resource-short-description)
(kubed-namespaced-p): New functions.
(kubed-display-resource): New command, use them.
(kubed-display-resource-handle-bookmark)
(kubed-display-resource-make-bookmark): Simplify.
(kubed-define-resource): Adjust generated
'kubed-display-RESOURCE' commands to honor namespace set in
'kubed-transient-display'.  Change binding of these commands
from suffix "g" to suffix "RET".
(kubed-api-resources): Add optional arg ONLY-NAMESPACED.
(kubed-prefix-map, kubed-menu-map): Bind 'kubed-define-resource'.