feat: consolidate backend and docker-compose setup

backend/copy-do-pfm.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+# Create the target directory inside the Next.js app
+mkdir -p pfm-web-app/public/do-pfm
+
+# Copy DO-PFM images
+cp -v PaddleOCR-VL-1.6_Online_Demo/examples/do-pfm/*.jpg pfm-web-app/public/do-pfm/
+
+echo "DO-PFM examples copied successfully!"