FIXUP: add an interface -- PR feedback

Author: cbandy

internal/kubernetes/apis.go

@@ -29,8 +29,10 @@ type APIs interface {
 type APISet = sets.Set[API]
 
 func NewAPISet(api ...API) APISet {
+	// Start with everything that's passed in; full GVKs are here.
 	s := sets.New[API](api...)
 
+	// Add the other combinations; Group, GV, and GK.
 	for i := range api {
 		s.Insert(
 			API{Group: api[i].Group},