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/y2022/control_loops/drivetrain/drivetrain_base.cc b/y2022/control_loops/drivetrain/drivetrain_base.cc
index f18ebf2..c58353e 100644
--- a/y2022/control_loops/drivetrain/drivetrain_base.cc
+++ b/y2022/control_loops/drivetrain/drivetrain_base.cc
@@ -9,8 +9,8 @@
 #include "y2022/control_loops/drivetrain/kalman_drivetrain_motor_plant.h"
 #include "y2022/control_loops/drivetrain/polydrivetrain_dog_motor_plant.h"
 
-using ::frc971::control_loops::drivetrain::DrivetrainConfig;
 using ::frc971::control_loops::drivetrain::DownEstimatorConfig;
+using ::frc971::control_loops::drivetrain::DrivetrainConfig;
 
 namespace chrono = ::std::chrono;