update local.cfg, call rear mkrescue for testing

roles/rear_backup/templates/local.conf.j2

@@ -15,6 +15,10 @@ GRUB_RESCUE=1
 KERNEL_CMDLINE="unattended"
 USER_INPUT_TIMEOUT=1
 USER_INPUT_DISK_LAYOUT_PROCEED_RECOVERY=yes
+# REAR_INITRD_COMPRESSION="lzma"
+# FIRMWARE_FILES=('no')
+MODULES=('loaded_modules')
+# EXCLUDE_MD5SUM_VERIFICATION='all'
 {% if bigboot_lv_vg_name is defined and bigboot_lv_vg_name|trim == "system" %}
 ONLY_INCLUDE_VG=( "system" )
 {% else %}