Change to roundtrip-YAML parser

Signed-off-by: Lixfel <agga-games@gmx.de>

deployarena.py

@@ -7,8 +7,9 @@ import tarfile
 from os import path
 
 # Non stdlib
-import yaml
 from nbt import nbt
+from ruamel.yaml import YAML
+yaml = YAML()
 
 if __name__ == "__main__":
     configfile = f'/configs/GameModes/{sys.argv[1]}'