add shell script to launch the with correct arguments

this was fucking annaying to type in on a remote with a keypad keyboard,
this approach is much better.

diff --git a/retroarch/psx/retroarch-psx.sh b/retroarch/psx/retroarch-psx.sh
new file mode 100755 (executable)
index 0000000..e43ed3e
--- /dev/null
+++ b/retroarch/psx/retroarch-psx.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+confpath=~/.config/retroarch
+
+retroarch --append-config $confpath/retroarch-joyconfig,$confpath/psx/retroarch-psx.cfg "$*"