Initial setup of the octavia-tempest-plugin repo

This patch is the initial repository setup for octavia-tempest-plugin
using the OpenStack cookiecutter template.

Change-Id: Icce1389d3a9fb6076091d4d291e15773fb64544b
diff --git a/.mailmap b/.mailmap
new file mode 100644
index 0000000..516ae6f
--- /dev/null
+++ b/.mailmap
@@ -0,0 +1,3 @@
+# Format is:
+# <preferred e-mail> <other e-mail 1>
+# <preferred e-mail> <other e-mail 2>