Make Docker container bind to 0.0.0.0 for external access

- Add --host 0.0.0.0 flag to pnpm run dev command
- Allows container to be accessed from outside the Docker network

Dockerfile

@@ -21,5 +21,5 @@ ENV NODE_ENV=production \
     PORT=7860 \
     DISABLE_CLOUDFLARE_PROXY=true
 
-# Start command using pnpm run dev
-CMD ["pnpm", "run", "dev"]
+# Start command using pnpm run dev with host binding
+CMD ["pnpm", "run", "dev", "--", "--host", "0.0.0.0"]