refactor: Update s6-overlay usage for ms config and start up

Refactor s6 usage based on most recent lsio images

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

@@ -0,0 +1,33 @@
+#!/usr/bin/with-contenv bash
+
+# used https://github.com/linuxserver/docker-plex as a template
+
+POPULATE_EXAMPLES=false
+
+echo "-------------------------------------"
+echo -e "Setting up multi-scrobbler config directory based on CONFIG_DIR env: ${CONFIG_DIR}\n"
+
+# make config folder if it does not exist
+if [ ! -d "${CONFIG_DIR}" ]; then
+  echo "Directory does not exist! Creating..."
+  POPULATE_EXAMPLES=true
+  mkdir -p "${CONFIG_DIR}"
+else
+  if [ "$(ls -A ${CONFIG_DIR})" ]; then
+       echo "Directory is not empty, not creating examples."
+    else
+      POPULATE_EXAMPLES=true
+    fi
+fi
+
+# add example configs
+if [ "$POPULATE_EXAMPLES" = true ]; then
+  echo "Directory is empty, adding examples..."
+  cp -r /app/config/. "${CONFIG_DIR}"/
+fi
+
+# permissions
+echo "chown'ing directory to ensure correct permissions."
+chown -R abc:abc "${CONFIG_DIR}"
+echo "Done!"
+echo -e "-------------------------------------\n"

docker/root/etc/s6-overlay/s6-rc.d/init-ms-config/type

@@ -0,0 +1 @@
+oneshot

docker/root/etc/s6-overlay/s6-rc.d/init-ms-config/up

@@ -0,0 +1 @@
+/etc/s6-overlay/s6-rc.d/init-ms-config/run