add google-chrome wrapper for separate $HOME

diff --git a/google-chrome b/google-chrome
new file mode 100755 (executable)
index 0000000..486e6ae
--- /dev/null
+++ b/google-chrome
@@ -0,0 +1,3 @@
+#!/bin/sh
+export HOME=/home/martin/.cache/chrome-home
+exec /usr/bin/google-chrome