docs: "API Reference" support added #109

Job	Run time
std::format none C++20 Clang-18 Release	4m 23s
std::format none C++20 Clang-18 Debug	3m 47s
std::format none C++23 Clang-18 Release	4m 21s
std::format none C++23 Clang-18 Debug	3m 43s
std::format gsl-lite C++20 Clang-18 Release	4m 54s
std::format gsl-lite C++20 Clang-18 Debug	3m 47s
std::format gsl-lite C++23 Clang-18 Release	1m 53s
std::format gsl-lite C++23 Clang-18 Debug	1m 44s
std::format ms-gsl C++20 Clang-18 Release	4m 19s
std::format ms-gsl C++20 Clang-18 Debug	3m 47s
std::format ms-gsl C++23 Clang-18 Release	1m 49s
std::format ms-gsl C++23 Clang-18 Debug	1m 49s
fmtlib none C++20 Clang-18 Release	4m 16s
fmtlib none C++20 Clang-18 Debug	3m 53s
fmtlib none C++23 Clang-18 Release	1m 58s
fmtlib none C++23 Clang-18 Debug	1m 50s
fmtlib gsl-lite C++20 Clang-18 Release	4m 14s
fmtlib gsl-lite C++20 Clang-18 Debug	4m 0s
fmtlib gsl-lite C++23 Clang-18 Release	1m 59s
fmtlib gsl-lite C++23 Clang-18 Debug	1m 53s
fmtlib ms-gsl C++20 Clang-18 Release	4m 12s
fmtlib ms-gsl C++20 Clang-18 Debug	3m 52s
fmtlib ms-gsl C++23 Clang-18 Release	1m 53s
fmtlib ms-gsl C++23 Clang-18 Debug	1m 49s
	1h 16m 5s

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