add arduinoJson

lib/ArduinoJson/extras/tests/catch/.clang-format

@@ -0,0 +1,2 @@
+DisableFormat: true
+SortIncludes: false

lib/ArduinoJson/extras/tests/catch/CMakeLists.txt

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+# ArduinoJson - https://arduinojson.org
+# Copyright Benoit Blanchon 2014-2021
+# MIT License
+
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED OFF)
+
+add_library(catch
+	catch.hpp
+	catch.cpp
+)
+
+target_include_directories(catch
+	PUBLIC
+	${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+	# prevent "xxx will change in GCC x.x" with arm-linux-gnueabihf-gcc
+	target_compile_options(catch PRIVATE -Wno-psabi)
+endif()

lib/ArduinoJson/extras/tests/catch/catch.cpp

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+// ArduinoJson - https://arduinojson.org
+// Copyright Benoit Blanchon 2014-2021
+// MIT License
+
+#define CATCH_CONFIG_MAIN
+#include "catch.hpp"