Fix Flame Dashboard: Clear volume and update docker-compose.dev.yml

scripts/rclone-sync.sh.bak

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -e
+
+echo "Starting rclone sync at $(date)"
+rclone sync /data nextcloud:/ --config=/config/rclone/rclone.conf --log-level INFO --log-file=/data/rclone.log
+echo "Rclone sync completed at $(date)"