Added subpath rewrite script

frontend/enable_subpathing.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Sekerovic Dragan, oneStep2 GmbH - 2023-09-08 - quick and dirty
+# purpose of the script: make shuffle reverse proxyable/run shuffle on a subpath instead of root
+
+if $(ls frontend/src/App.jsx.orig.* 1>/dev/null 2>&1); then
+    echo "shuffle src already patched for subpathing!"
+    echo "Aborting ..."
+    exit 1
+fi
+
+[[ "$1" != "" ]] && SUBPATH=$1 || SUBPATH="/shuffle"
+
+cat $0.tpl | sed "s,SUBPATH,$SUBPATH," > $0.run
+chmod 700 $0.run
+./$0.run
+rm ./$0.run
+
+exit 0