KEP-127: Add graduation criteria

Signed-off-by: Rodrigo Campos <[email protected]>

Author: rata

keps/sig-node/127-user-namespaces/README.md

@@ -543,8 +543,6 @@ use container runtime versions that have the needed changes.
 
 ### Graduation Criteria
 
-Note this section is a WIP yet.
-
 ##### Alpha
 - Support with idmap mounts
 
@@ -554,9 +552,13 @@ Note this section is a WIP yet.
 - Should we reconsider making the mappings smaller by default?
 - Should we allow any way for users to for "more" IDs mapped? If yes, how many more and how?
 - Should we allow the user to ask for specific mappings?
+- Get review from VM container runtimes maintainers
+- Gather and address feedback from the community
 
 ##### GA
 
+- Gather and address feedback from the community
+
 ### Upgrade / Downgrade Strategy
 
 ### Version Skew Strategy