Fix sample for generateName usage

sleshchenko · sleshchenko · commit cf2715cb4e72 · 2021-05-25T10:22:57.000+03:00
diff --git a/docs/modules/user-guide/partials/proc_adding-a-name-to-a-devfile.adoc b/docs/modules/user-guide/partials/proc_adding-a-name-to-a-devfile.adoc
@@ -30,7 +30,7 @@ metadata:
 ----
 schemaVersion: 2.1.0
 metadata:
-  name: devfile-sample
+  generateName: devfile-sample
   version: 2.0.0
 ----
 
