added backup.sh

bin/backup.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -aeou pipefail
+
+RESTIC=/usr/bin/restic
+
+# some helpers and error handling:
+trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
+
+# shellcheck disable=SC1090
+source "${HOME}"/.restic/restic.env
+
+$RESTIC backup \
+    --exclude-file="$HOME"/.restic/excludes.txt \
+    --files-from="$HOME"/.restic/includes.txt \
+    --verbose