Added nextboot, a systemd-boot entry selection shortcut script

bin/nextboot

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+PS3="Select next boot entry: "
+COLUMNS=1
+select entry in $(systemctl --boot-loader-entry=help) BIOS; do
+	if [[ "$entry" == "BIOS" ]]; then
+		sudo systemctl reboot --firmware-setup
+		exit 0
+	else
+		sudo systemctl reboot --boot-loader-menu=1 --boot-loader-entry="$entry"
+		exit 0
+	fi
+done
+
+