Migrate ckconfig to the vanity module path

examples/core/README.md

@@ -26,8 +26,8 @@ and try completing `core-example report d` or `core-example ws gr`.
 
 Compatible integration factories also return `commandkit.Command` and can be
 passed directly to `New` beside `commandkit.Alias` or flag-alias declarations.
-The current integrations still use the old core identity; the planned matched
-vanity-path releases will use the new core identity. For a
+The ckconfig candidate uses the new core identity; ckprompt will use it in its
+planned matched release. For a
 command-only `[]commandkit.Command`, convert its elements into a
 `[]commandkit.Declaration` before appending routing rules; Go cannot expand the
 command slice as `...commandkit.Declaration`. The