Add syntax check

Author: exussum12

build.sh

@@ -1,5 +1,8 @@
 #!/bin/bash
 set -e
+
+parallel-lint --exclude vendor .
+
 phpcs \
     --standard=tools/codesniffer/JoindInPSR2/ruleset.xml \
     --ignore=**/config.php,**/database.php,vendor,tools,tests/bootstrap.php \