Need to be able to init on any distro.

The current supervisor.d configs are configured specifically for a particular supervisor version / installation.
This decouples the configuration so we can use it on any distro.

overlay/etc/supervisor.d/desktop.ini

@@ -0,0 +1,16 @@
+
+[program:desktop]
+autostart=true
+autorestart=true
+priority=50
+user=%(ENV_USER)s
+directory=/home/%(ENV_USER)s
+command=/usr/bin/start-desktop.sh
+environment=HOME="/home/%(ENV_USER)s",USER="%(ENV_USER)s",DISPLAY="%(ENV_DISPLAY)s"
+stopsignal=QUIT
+stdout_logfile=/home/%(ENV_USER)s/.cache/log/desktop.log
+stdout_logfile_maxbytes=10MB
+stdout_logfile_backups=7
+stderr_logfile=/home/%(ENV_USER)s/.cache/log/desktop.err.log
+stderr_logfile_maxbytes=10MB
+stderr_logfile_backups=7