added a code snippet to turn on swap during installation

setup

@@ -85,6 +85,12 @@ grub-install --target=x86_64-efi --bootloader-id=grub_uefi --recheck
 cp /usr/share/locale/en\@quot/LC_MESSAGES/grub.mo /boot/grub/locale/en.mo
 grub-mkconfig -o /boot/grub/grub.cfg
 
+echo "Enter Swap Size: "
+read swapsize
+mkswap -U clear --size $swapsize --file /swapfile
+swapon /swapfile
+echo "/swapfile none swap defaults 0 0" >> /etc/fstab
+
 echo "%wheel ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
 echo "Enter Username: "
 read username