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/localizer/map_expander_lib.h b/y2023/localizer/map_expander_lib.h
index 773a769..5579e18 100644
--- a/y2023/localizer/map_expander_lib.h
+++ b/y2023/localizer/map_expander_lib.h
@@ -1,9 +1,10 @@
 #ifndef Y2023_LOCALIZER_MAP_EXPANDER_LIB_H_
 #define Y2023_LOCALIZER_MAP_EXPANDER_LIB_H_
 
-#include <Eigen/Dense>
 #include <map>
 
+#include <Eigen/Dense>
+
 #include "aos/flatbuffers.h"
 #include "aos/json_to_flatbuffer.h"
 #include "frc971/vision/target_map_generated.h"