Added rewind tool (missing racfg location)

es-configs/tools-gamelist.xml

@@ -98,4 +98,11 @@
 		<nogamecount>true</nogamecount>
 		<nomultiscrape>true</nomultiscrape>
 	</game>
+	<game>
+		<path>./rewind.sh</path>
+		<name>Rewind toggler</name>
+		<desc>Enable or disable the rewind function for some RetroArch cores.</desc>
+		<nogamecount>true</nogamecount>
+		<nomultiscrape>true</nomultiscrape>
+	</game>
 </gameList>

tools/rewind.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+racfg=""
+
+zenity --question \
+--no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
+--title "RetroDECK" \
+--text="Do you want to enable the rewind function in RetroArch cores?\n\nNOTE:\nThis may impact on performances expecially on the latest systems."
+
+if [ $? == 0 ] #yes, enable
+then
+	sed -i 's%rewind_enable = .*%rewind_enable = "true"' $racfg
+	zenity --info \
+		--no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
+		--title "RetroDECK" \
+		--text="Rewind enabled\!\nYou can check on Libretro docs to see which cores supports this function."
+else # no, disable
+	sed -i 's%rewind_enable = .*%rewind_enable = "false"' $racfg
+	zenity --info \
+		--no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
+		--title "RetroDECK" \
+		--text="Rewind disabled."
+fi