zshrc: detect WSL environment and configure X on windows

.zshrc-wsl

# WSL1 compatibility with X server (x410, others should work)
if [[ "$(</proc/version)" == *Microsoft* ]] 2>/dev/null; then
  export WSL=1
  export DISPLAY=localhost:0
  export NO_AT_BRIDGE=1
  export LIBGL_ALWAYS_INDIRECT=1
#  sudo /usr/local/bin/clean-tmp-su
# else
# export WSL=0
fi

# WSL2 compatibility
if [[ "$(</proc/version)" == *microsoft* ]] 2>/dev/null; then
export DISPLAY=$(cat /etc/resolv.conf | grep nameserver | awk '{print $2; exit;}'):0.0
export LIBGL_ALWAYS_INDIRECT
fi