prepare for AppImage

res/AppRun

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+APP_DIR=`dirname $0`
+APP_DIR=`cd "$APP_DIR";pwd`
+
+export LD_LIBRARY_PATH="$APP_DIR/usr/lib"
+
+cd "$APP_DIR"
+
+exec "./usr/bin/furnace" "$@"

res/furnace.desktop

@@ -0,0 +1,8 @@
+[Desktop Entry]
+Name=Furnace
+Comment=Open-source chiptune tracker
+Icon=furnace
+Exec=furnace
+Terminal=false
+Type=Application
+Categories=Audio;