clang-format: copy latest and re-format

clang-format-16 has some backwards incompatible changes that require
additional settings for best compatibility and re-running the formatter.
Copy the latest .clang-format from the docs repository and reformat the
repository.

Change-Id: I3942bdbbb0fc2d46d755a74f481bb44fa63dc486
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/mainapp.cpp b/mainapp.cpp
index 2663f8f..4816b84 100644
--- a/mainapp.cpp
+++ b/mainapp.cpp
@@ -19,8 +19,9 @@
 
 #include <systemd/sd-event.h>
 
-#include <iostream>
 #include <phosphor-logging/log.hpp>
+
+#include <iostream>
 #include <string>
 
 using namespace phosphor::logging;