adds utils

utils/pushover.service

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+[Unit]
+Description=Send Pushover notification for %i
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+
+ExecStart=/usr/local/bin/pushover --message "Service %i has failed" --title "Service Failure"
+
+[Install]
+WantedBy=multi-user.target

utils/testdata.sh

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+#!/bin/bash
+
+create_file() {
+  dd if=/dev/urandom iflag=fullblock of="testdata/$1" bs=1M count=1 status=none
+}
+
+rm -rf testdata
+mkdir testdata
+create_file "a.mp4"
+create_file "a.gif"
+create_file "b.gif"
+create_file "b.jpeg"
+create_file "c.mp4"