Jakko authored Sep 11, 2021 and Alexey Min committed Sep 29, 2021

Improvements from xfce4-phone source:
- Add screenshot to README.md
- Enable screen locking
- Disable Desktop icons "Home", "File System", "Trash"
- Enable single-click on Desktop
- Enable single-click in Thunar
- Change clock format
- Set postmarketos wallpaper

Additional changes in postmarketos-ui-xfce4:
- Installing greybird-themes (which is already set as default theme in
  /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xsettings.xml).
- Changing /etc/skel/.config/autostart/onboard-autostart.desktop to
  slightly speed up keysboard startup (overriding startup-delay of
  /etc/xdg/autostart/onboard-autostart.desktop).
- Enabling scrollbars by /etc/profile.d/enable-scrollbars.sh, this is
  helpful where touch-scrolling doesn't work like e.g. in whiskermenu.

(And re-ordered network-manager-applet in APKBUILD _pmb_recommends
section.)

Also removing xfce4 subpackages of device-qemu-amd64,
device-qemu-aarch64 and device-nokia-n900. The device specific ...