chore: Update .gitattributes

Author: usernane

.gitattributes

@@ -3,8 +3,9 @@
 # Files and folders here will be not included when creating package
 /tests export-ignore
 /example export-ignore
+/php_cs.php.dist export-ignore
 /.github export-ignore
 /.gitignore export-ignore
 /.travis.yml export-ignore
 /phpunit.xml export-ignore
-/sonar-project.properties export-ignore
+/sonar-project.properties export-ignore