Add an "empty" gtk-2.0 directory

A gtk-2.0 directory, even an empty one, is needed in order for
gnome-tweak-tool to find the theme.

However git won't track empty directories, so put a README file in there
to explain why the directory is needed at all.

diff --git a/gtk-2.0/README b/gtk-2.0/README
new file mode 100644 (file)
index 0000000..0b0dcbe
--- /dev/null
+++ b/gtk-2.0/README
@@ -0,0 +1,4 @@
+A gtk-2.0 directory, even an empty one, is needed in order for
+gnome-tweak-tool to find the theme.
+
+So keep this directory around for now.