Added a menu entry to make it easier to revert to boot from disk

This is a small update to make it easier to fallback out of PXE boot menu and boot from another device

modules/ROOT/pages/administration/dnsmasq.adoc

@@ -481,6 +481,7 @@ The `inst.repo` URL in the file tells the Anaconda installer where to fetch pack
 +
 Note that menu entry for the Fedora 44 Network Install points to the fedora44/initrd.img and fedora44/vmlinuz files that we downloaded in the previous step. If you wanted to host multiple install options you can download the kernel and ram-disk images for each distribution or release and create a menu entry for each release.
 +
+A menu entry is included to exit out of this menu and to use the next configured boot option, which usually includes the hard disk for the system. Providing this option in the menu, gives you a way to boot to disk easily. You can change the `set default=0` line to `set default=1` to make the second menu entry the default value, if you prefer.
 [source,console]
 ----
 sudo tee /var/lib/tftpboot/EFI/x86_64-efi/grub.cfg << 'EOF'
@@ -496,6 +497,11 @@ menuentry "Fedora 44 Network Install" {
         quiet
      initrdefi fedora44/initrd.img
 }
+
+menuentry 'Exit to next boot device' {
+      exit
+}
+
 EOF
 ----