Add initial plugin structure

Creates initial module structure and a dummy test.

Change-Id: I7a861dcc800cf3a49da2e317e4780aa5c5027733
Implements: bp tempest-plugin
diff --git a/barbican_tempest_plugin/README.rst b/barbican_tempest_plugin/README.rst
new file mode 100644
index 0000000..5ef9f68
--- /dev/null
+++ b/barbican_tempest_plugin/README.rst
@@ -0,0 +1,6 @@
+===============================================
+Tempest Integration of Barbican
+===============================================
+
+This directory contains Tempest tests to cover the Barbican project.
+