Document Drupal Development Env: composer/plugin/drupal-development-environment#1

docs/composer/plugin/drupal-dev-environment/index.md

@@ -20,5 +20,5 @@ It provides a massive amount of testing tools, which can be executed out of the
 - [PHP LOC](../../../dev_tools/test.md#php-loc)
 - [PHP Mess Detection](../../../dev_tools/test.md#php-mess-detection)
 - [PHP Metrics](../../../dev_tools/test.md#php-metrics)
-- [PHP Stylelint](../../../dev_tools/test.md#php-code-sniffer)
-- [Eslint](../../../dev_tools/test.md#php-code-sniffer)
+- [Stylelint](../../../dev_tools/test.md#stylelint)
+- [Eslint](../../../dev_tools/test.md#es-lint)

docs/dev_tools/test.md

@@ -46,10 +46,10 @@ We have several tools to perform static code analysis.
 - [PHP PHPStan](#php-stan)
 - [PHP Lint](#php-lint)
 - [PHP LOC](#php-loc)
-- [PHP Mess Detection](../../../dev_tools/test.md#php-mess-detection)
+- [PHP Mess Detection](#php-mess-detection)
 - [PHP Metrics](#php-metrics)
-- [PHP Stylelint](../../../dev_tools/test.md#php-code-sniffer)
-- [Eslint](../../../dev_tools/test.md#php-code-sniffer)
+- [Stylelint](#stylelint)
+- [Eslint](#es-lint)
 
 ### PHP Code Sniffer
 
@@ -205,6 +205,24 @@ If you want to analyse a custom module, just do the following:
 a test phpmetricsmodule ../custom/<custom_module>
 ```
 
+### Stylelint
+
+With `Stylelint` you can test and analyse `css` file in your module.
+
+You first have to install and set up the toll with the following command:
+
+```style
+a test stylelintprepare
+```
+
+Now all you need is installed and set up. Execute the following command to run the test:
+
+```style
+a test stylelintmodule <contrib_module>
+```
+
+### ES Lint
+
 ## Unit/Kernel/Functional Testing
 
 To execute the tests, you can use a single command: