chore: Add rector script to composer.json

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

Author: come-nc

composer.json

@@ -67,7 +67,8 @@
 		],
 		"test": "phpunit --configuration tests/phpunit-autotest.xml",
 		"test:db": "@composer run test -- --group DB,SLOWDB",
-		"test:files_external": "phpunit --configuration tests/phpunit-autotest-external.xml"
+		"test:files_external": "phpunit --configuration tests/phpunit-autotest-external.xml",
+		"rector": "rector && composer cs:fix"
 	},
 	"extra": {
 		"bamarni-bin": {