Update file Readme, add new feature description

Readme.md

@@ -34,6 +34,7 @@ It is a cause of failed jobs. For this case, the action `wretry.action` can retr
 - The repository includes subdirectories with alternative action setups that can skip the `pre` or/and `post` stages, as necessary.
 - Action handles conditions in `JavaScript` and `Docker` actions ( fields `pre-if` and `post-if` ). Some conditions can be unsolvable and then action skips the stage.
 - Resolves external action default inputs from next contexts : `github`, `env`, `job`, `matrix`, `steps`, `inputs`.
+- Can resolve user-provided context `steps`.
 - Retries actions with defined number of attempts ( default is 2 ).
 - Retries actions with defined delay between attempts ( default is 0 ).