setup: Exit after auto configuring

usr/local/share/bastille/setup.sh

@@ -239,6 +239,8 @@ if [ $# -eq 0 ]; then
     configure_loopback_interface
     configure_pf
     configure_zfs
+    info "\nBastille has successfully been configured.\n"
+    exit 0
 fi
 
 # Handle options.
@@ -318,4 +320,4 @@ case "$1" in
     *)
         error_exit "[ERROR]: Unknown option: \"${1}\""
         ;;
-esac
+esac