move cont-finish.d script to new service

rootfs/etc/s6-overlay/s6-rc.d/aiscatcher/down

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /etc/s6-overlay/scripts/down-aiscatcher

rootfs/etc/s6-overlay/scripts/down-aiscatcher

@@ -0,0 +1,24 @@
+#!/command/with-contenv bash
+#shellcheck shell=bash
+
+#---------------------------------------------------------------------------------------------
+# Copyright (C) 2022-2023, Ramon F. Kolb (kx1t)
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation, either version 3 of the License, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with this program.
+# If not, see <https://www.gnu.org/licenses/>.
+#---------------------------------------------------------------------------------------------
+
+s6wrap --quiet --timestamps --prepend="${APPNAME}" --args echo "Carefully terminating AIS-Catcher..."
+
+pkill -f -SIGTERM /usr/local/bin/AIS-catcher >/dev/null 2>&1 || true
+sleep 5
+exit 0