Extend PackReference with locked and missing nodes

Author: brondani

api/csolution-openapi.yml

@@ -344,7 +344,13 @@ components:
           description: Flag to indicate if reference is selected
         upgrade:
           type: string
-          description: Greater compliant pack version is available for the locked resolved pack
+          description: Greater compliant pack version is available for the locked pack
+        locked:
+          type: string
+          description: Locked pack version
+        missing:
+          type: boolean
+          description: True if pack is not found in the system
       required:
         - pack
         - origin