Updating readme with new inputs

README.md

@@ -15,7 +15,9 @@ For more information on these inputs, see the [API Documentation](https://develo
 - `body`: Text describing the contents of the release. Optional, and not needed if using `body_path`.
 - `body_path`: A file with contents describing the release. Optional, and not needed if using `body`.
 - `draft`: `true` to create a draft (unpublished) release, `false` to create a published one. Default: `false`
-- `prerelease`: `true` to identify the release as a prerelease. `false` to identify the release as a full release. Default `false`
+- `prerelease`: `true` to identify the release as a prerelease. `false` to identify the release as a full release. Default: `false`
+- `owner`: The name of the owner of the repo. Used to identify the owner of the repository.  Used when cutting releases for external repositories.  Default: Current owner
+- `repo`: The name of the repository. Used to identify the repository on which to release.  Used when cutting releases for external repositories. Default: Current repository
 
 #### `body_path`
 The `body_path` is valuable for dynamically creating a `.md` within code commits and even within the Github Action steps leading up to the `create-release`.