README.md update

Author: dedece35

README.md

@@ -47,6 +47,7 @@ docker run -ti --rm \
 ... and configure local SonarQube (security config and quality profile : see [configuration](https://github.com/green-code-initiative/ecoCode-common/blob/main/doc/INSTALL.md#configuration-sonarqube) for more details).
 
 To install other `ecocode` plugins, you can also :
+
 - download each plugin separatly and copy the plugin (jar file) to `$SONAR_INSTALL_DIR/extensions/plugins` and restart SonarQube.
 - install different ecocode plugins with Marketplace (inside admin panel of SonarQube)