Add installation script for minifiers

install.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+# Install the required dependencies for CHGenerator
+
+# Note: The following is only required if `minifyCSSandJS=True`
+# is set in the generator configuration
+
+# Install the Javascript minifier
+# https://github.com/mishoo/UglifyJS
+npm install uglify-js -g
+
+# Install the clean-css minifier
+# https://github.com/clean-css/clean-css-cli
+npm install clean-css-cli -g