Add default cmd args for Docker image

Author: DarkWanderer

docker/Dockerfile

@@ -2,4 +2,4 @@ FROM ubuntu:18.04
 LABEL org.opencontainers.image.source=https://github.com/SQFvm/runtime
 WORKDIR /tmp
 COPY sqfvm /usr/bin/sqfvm
-ENTRYPOINT /usr/bin/sqfvm
+ENTRYPOINT ["/usr/bin/sqfvm", "--automated", "--suppress-welcome", "--no-execute-print"]