fixup! formatting: step 3 - add clang-format configuration #240

Job	Run time
call-build-fedora / build-fedora	2m 7s
call-build-freebsd / build-freebsd	4m 32s
call-build-alpine / build-alpine	2m 9s
call-build-macos / build-macos	1m 31s
call-build-solaris / build-solaris	5m 36s
call-build-ubuntu / build-ubuntu	4m 27s
	20m 22s

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