Add script for generating a release .zip file

Author: dcoshea

release.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+if [[ $# != 1 ]]; then
+    echo Usage: $0 VERSION
+    echo Example: $0 0.2
+    exit 1
+fi
+VERSION=$1
+
+zip -r vgaonoff-v$VERSION.zip VGAONOFF.COM COPYING README.md example/ vgaonoff.asm build.bat