[add] : Added memtest86 config

Author: Hayao0819

build.sh

@@ -869,10 +869,19 @@ make_syslinux() {
         cp "${script_path}/syslinux/splash.png" "${isofs_dir}/${install_dir}/boot/syslinux"
     fi
 
-    # Remove rescue config
+    # remove config
+    local _remove_config
+    function _remove_config() {
+        remove "${isofs_dir}/${install_dir}/boot/syslinux/${1}"
+        sed -i "s|$(cat "${isofs_dir}/${install_dir}/boot/syslinux/archiso_sys_load.cfg" | grep "${1}")||g" "${isofs_dir}/${install_dir}/boot/syslinux/archiso_sys_load.cfg" 
+    }
+
     if [[ "${norescue_entry}" = true ]]; then
-        remove "${isofs_dir}/${install_dir}/boot/syslinux/archiso_sys_rescue.cfg"
-        sed -i "s|$(cat "${isofs_dir}/${install_dir}/boot/syslinux/archiso_sys_load.cfg" | grep "archiso_sys_rescue")||g" "${isofs_dir}/${install_dir}/boot/syslinux/archiso_sys_load.cfg" 
+        _remove_config archiso_sys_rescue.cfg
+    fi
+
+    if [[ "${memtest86}" = false ]]; then
+        _remove_config memtest86.cfg
     fi
 
     # copy files

syslinux/archiso_sys_load.cfg

@@ -13,4 +13,6 @@ INCLUDE boot/syslinux/archiso_sys.cfg
 
 INCLUDE boot/syslinux/archiso_sys_rescue.cfg
 
+INCLUDE boot/syslinux/memtest86.cfg
+
 INCLUDE boot/syslinux/archiso_tail.cfg

syslinux/memtest86.cfg

@@ -0,0 +1,11 @@
+# Yamada Hayao
+# Twitter: @Hayao0819
+# Email  : hayao@fascode.net
+#
+# (c) 2019-2021 Fascode Network.
+#
+
+# http://www.memtest.org/
+LABEL memtest
+MENU LABEL Run Memtest86+ (RAM test)
+LINUX /%INSTALL_DIR%/boot/memtest