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: I44441096113929ce96eb1439e2932e6ff3c87f27
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/groupext.cpp b/groupext.cpp
index 483e064..66d02f8 100644
--- a/groupext.cpp
+++ b/groupext.cpp
@@ -1,6 +1,7 @@
-#include <cstdio>
 #include <ipmid/api.hpp>
 
+#include <cstdio>
+
 #define GRPEXT_GET_GROUP_CMD 0
 void register_netfn_groupext_functions() __attribute__((constructor));