Fix Bedrock service type for detached screen (#63)

Author: TimInTech

minecraft-bedrock.service

@@ -5,7 +5,9 @@ Wants=network-online.target
 StartLimitIntervalSec=0
 
 [Service]
-Type=simple
+# screen detaches from the invoking process, so let systemd know the service
+# will fork and manage the resulting screen session.
+Type=forking
 User=minecraft
 Group=minecraft
 WorkingDirectory=/opt/minecraft-bedrock