Added make support for multiple architectures and did cleanup

config/bootloaders/grub-pc/live-theme/theme.txt

@@ -1,7 +1,7 @@
 desktop-image: "../splash.png"
 title-color: "#ffffff"
 title-font: "DejaVu Sans Bold 16"
-title-text: "debian-live-config 3.0.0 (Debian 11.1.0)"
+title-text: "Gui-minimal-testing"
 message-font: "Unifont Regular 16"
 terminal-font: "Unifont Regular 16"
 

config/bootloaders/isolinux/menu.cfg

@@ -1,11 +1,11 @@
 menu hshift 0
 menu width 82
 
-menu title debian-live-config 3.0.0 (Debian 11.1.0)
+menu title Gui-minimal-testing
 include stdmenu.cfg
 
 label live-amd64
-        menu label ^Live system (amd64) (English)
+        menu label ^Live system
         menu default
         linux /live/vmlinuz
         initrd /live/initrd.img
@@ -13,7 +13,6 @@ label live-amd64
 
 label live-amd64-r
         menu label ^Live system (ToRam)
-        menu default
         linux /live/vmlinuz
         initrd /live/initrd.img
         append boot=live config toram locales=en_US.UTF-8