followed single formula for boot menu

roles/netbootxyz/templates/menu/live-q4os.ipxe.j2

@@ -3,18 +3,33 @@
 goto ${menu} ||
 
 :live_menu
-set os Q4OS
+set os Q4OS Live
 menu ${os} - Current Arch [ ${arch} ]
 iseq ${arch} x86_64 && set arch_a amd64 || set arch_a ${arch}
 item --gap ${os} Versions
 item 3.9 ${space} ${os} 3.9
 choose live_version || goto live_exit
+menu ${os} ${live_version}
+item --gap ${os} Flavors
 goto ${live_version}
 
+:3.9
+{% for key, value in endpoints.items() | sort %}
+{% if value.os == "Q4OS" and 'squash' in key and value.version == "18.04" %}
+item {{ key }} ${space} {{ value.os | title }} {{ value.version }} {{ value.flavor | title}}
+{% endif %}
+{% endfor %}
+goto flavor_select
+
+:flavor_select
+choose flavor || goto live_menu
+echo ${cls}
+goto ${flavor} ||
+
 {% for key, value in endpoints.items() | sort %}
 {% if value.os == "Q4OS" and 'squash' in key %}
 {% set kernel_name = value.kernel %}
-:{{ value.version }}
+:{{ key }}
 set squash_url ${live_endpoint}{{ value.path }}filesystem.squashfs
 {% for key, value in endpoints.items() | sort %}
 {% if key == kernel_name %}