Run clang-format on the entire repo

This patch clang-formats the entire repo. Third-party code is
excluded.

I needed to fix up the .clang-format file so that all the header
includes are ordered properly. I could have sworn that it used to work
without the extra modification, but I guess not.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: I64bb9f2c795401393f9dfe2fefc4f04cb36b52f6
diff --git a/y2023/vision/yolov5.cc b/y2023/vision/yolov5.cc
index 7df4ffb..11f3a49 100644
--- a/y2023/vision/yolov5.cc
+++ b/y2023/vision/yolov5.cc
@@ -8,12 +8,12 @@
 #include <tflite/public/edgetpu_c.h>
 
 #include <chrono>
-#include <opencv2/dnn.hpp>
 #include <string>
 
 #include "absl/types/span.h"
 #include "gflags/gflags.h"
 #include "glog/logging.h"
+#include <opencv2/dnn.hpp>
 
 DEFINE_double(conf_threshold, 0.9,
               "Threshold value for confidence scores. Detections with a "