Update maintenance examples

Signed-off-by: thepetk <[email protected]>

Author: thepetk

Diff for: LIFECYCLE.md

@@ -27,7 +27,8 @@ During the course of its lifecycle, a stack or sample may need to be updated by
 
 * Changing the devfile content itself where components, commands, resources are modified
 * Using a more secure container image(s)
-* Implementing a new devfile spec version of the existing devfile e.g. two devfiles exist for the same runtime supporting both inner and outer loop scenarios.
+* Implementing a new devfile spec version of the existing devfile e.g. multiple versions of devfiles exist for the same runtime supporting different versions of devtools.
+* Implementing new additional devfile to the current stack or sample e.g. two devfiles, devfile.yaml and prod.devfile.yaml, exist for the same runtime supporting both inner and outer loop scenarios.
 * Implementing a variation of an existing devfile using a different runtime version e.g. Devfile support for both  NodeJS v16 and v18