prepare vanilla system for ansible provisioning

init.sh

# set location to fastest german mirror
sudo pacman-mirrors -c Germany
# update complete system
sudo pacman -Syyu --noconfirm
# check if restart is needed after updating
s1=$(pacman -Q linux | sed 's/linux[0-9]* //')
s2=$(uname -r | sed 's/-[A-Z]*$//')
if [ "$s1" == "$s2" ]; then
  # NO REBOOT needed
  # install essential dependencies to provision with ansiblet
  sudo pacman -S ansible ansible-lint git python-pip vim make --noconfirm
else
  echo REBOOT needed, than run script again
fi