Add readme describing orphan branch.

nuclearsandwich · nuclearsandwich · commit fdc09388aaea · 2018-03-09T06:59:11.000-08:00
diff --git a/README.md b/README.md
@@ -0,0 +1,7 @@
+# bash 4.4.18-1ubuntu1osrf1
+
+In order to build arm images while working through [#18][] I've packaged bash built with -no-pie (as Debian has done to fix the bug).
+
+This branch only exists to upload release assets against it.
+
+[#18]: https://github.com/osrf/multiarch-docker-image-generation/issues/18
