Added first version of ISO build

grub-autoboot.patch

@@ -0,0 +1,13 @@
+--- a/grub/grub.cfg
++++ b/grub/grub.cfg
+@@ -45,8 +45,8 @@ fi
+ 
+ # Set default menu entry
+ default=archlinux
+-timeout=15
+-timeout_style=menu
++timeout=0
++timeout_style=hidden
+ 
+ 
+ # Menu entries