Add openbooks to MOTD

scripts/motd.sh

@@ -1,5 +1,4 @@
 #!/run/current-system/sw/bin/bash
-
 # Kernel information
 LINUX=$(uname -rs | cut -d " " -f2)
 
@@ -30,6 +29,7 @@ services=(
 	"mautrix-telegram.service"
 	"nginx.service"
 	"dnsmasq.service"
+	"docker-openbooks.service"
 )
 
 for var in "${services[@]}"; do