add .clang-format

Change-Id: I6627b5569c2e0f730be7331403218b823a2c622f
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/sensors/builderconfig.hpp b/sensors/builderconfig.hpp
index 0948c69..649ca70 100644
--- a/sensors/builderconfig.hpp
+++ b/sensors/builderconfig.hpp
@@ -1,9 +1,9 @@
 #pragma once
 
-#include <string>
-
 #include "sensors/manager.hpp"
 
+#include <string>
+
 /**
  * Given a configuration file, parsable by libconfig++, parse it and then pass
  * the information onto BuildSensors.