Add configuration support

start.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -ex
+
+cp -n /app/pkg/rsshub.env /app/data/.env
+
+echo "Start RSSHub"
+chown -R cloudron:cloudron /app/data
+exec /usr/local/bin/gosu cloudron:cloudron npm start --prefix /app/code