Show a foscam Camera Stream on a Raspberry Pi 3B on startup

• contains scripts to setup up the omx player for buster
• contains scripts to setup vlc player e.g. for bullseye

contains scripts to a use a hardware button to restart the omx process

• Use systemd to start the Stream after booting to avoid hardcoded timeout with init.d
• Rework setup.sh to also handle the display timeouts with check and copy /etc/xdg/lxsession to user home and add the display.sh to autostart
• Rework/Test watchdog.sh to detect stale or aborted streams