feat: Adds a command to setup the restic repository in s3

abra.sh

@@ -8,3 +8,7 @@ run_cron () {
     while [ ! -f /tmp/backup.log ]; do sleep 1; done
     echo "$schedule $(crontab -l | tr -s " " | cut -d ' ' -f6-)" | crontab -
 }
+
+setup_restic_s3() {
+    AWS_SECRET_ACCESS_KEY=$(cat /run/secrets/aws_secret_access_key) restic -r $RESTIC_REPOSITORY init
+}