add default configs and s6-overlay

root/etc/s6-overlay/s6-rc.d/init-rsync-config/run

@@ -0,0 +1,16 @@
+#!/usr/bin/with-contenv bash
+
+echo "Start: init-rsync-config run script"
+
+mkdir -p /config /app/www
+
+if [ ! -f /config/rsyncd.conf ]; then
+    echo "Copy default-config..."
+    cp /defaults/rsyncd.conf /config/rsyncd.conf
+fi
+
+echo "Set permissions to PUID: ${PUID:-911} and PGID: ${PGID:-1000}"
+chown -R "${PUID:-911}:${PGID:-1000}" /config
+chown -R "${PUID:-911}:${PGID:-1000}" /app/www
+
+echo "Finish: init-rsync-config"