Update papermc.sh

added wait for last launched background process to give the server time to shutdown

papermc.sh

@@ -39,6 +39,7 @@ fi
 exec_stop () {
   echo "\n## Recieved SIGINT/SIGTERM; Shutting down container..."
   screen -r mc -X "stop"
+  wait $!
   exit 0
 }
 
@@ -49,7 +50,7 @@ while true
 			then
 				cat /papermc/logs/latest.log
 				trap exec_stop TERM INT
-				sleep 20
+				sleep 10
 			else
 				screen -dmS mc java -server -Xms${MC_RAM} -Xmx${MC_RAM} ${JAVA_OPTS} -jar ${JAR_NAME} nogui
 		fi