add .clang-format

Change-Id: I6627b5569c2e0f730be7331403218b823a2c622f
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/pid/controller.cpp b/pid/controller.cpp
index a5360fe..138268b 100644
--- a/pid/controller.cpp
+++ b/pid/controller.cpp
@@ -14,6 +14,10 @@
  * limitations under the License.
  */
 
+#include "controller.hpp"
+
+#include "ec/pid.hpp"
+
 #include <algorithm>
 #include <chrono>
 #include <iostream>
@@ -22,10 +26,6 @@
 #include <thread>
 #include <vector>
 
-#include "controller.hpp"
-#include "ec/pid.hpp"
-
-
 void PIDController::pid_process(void)
 {
     float input;