Move the screenshot with usage

README.md

@@ -13,6 +13,8 @@ The Codeowners Validator project validates the GitHub [CODEOWNERS](https://help.
 
 ## Usage
 
+![usage](./docs/assets/usage.png)
+
 Use the following environment variables to configure the application:
 
 | Name | Required | Default | Description |
@@ -24,9 +26,6 @@ Use the following environment variables to configure the application:
 | **CHECK_FAILURE_LEVEL** | No | `warning` | Defines the level on which application should treat check issue as a failure. Defaults to `warning`, which treats both `error` and `warning` as failure and exits with error code 2. Possible values are: `error` and `warning`. |
 | **OWNER_CHECKER_ORGANIZATION_NAME** | Yes | | The organization name where the repository is created. Used to check if GitHub owner is in the given organization. |
 
-
-![usage](./docs/assets/usage.png)
-
 ### Exit status codes
 
 Application exits with different statuses codes which allows you to easily distinguish error category.