Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/EVerest-main/yocto/scarthgap/meta-everest/recipes-backports/nlohmann-json/nlohmann-json_3.12.0.bb

@@ -0,0 +1,30 @@
+SUMMARY = "JSON for modern C++"
+HOMEPAGE = "https://nlohmann.github.io/json/"
+SECTION = "libs"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://LICENSE.MIT;md5=3b489645de9825cca5beeb9a7e18b6eb"
+
+CVE_PRODUCT = "json-for-modern-cpp"
+
+SRC_URI = "git://github.com/nlohmann/json.git;nobranch=1;protocol=https \
+           "
+
+SRCREV = "55f93686c01528224f448c19128836e7df245f72"
+
+S = "${WORKDIR}/git"
+
+inherit cmake
+
+EXTRA_OECMAKE += "-DJSON_BuildTests=OFF -DJSON_MultipleHeaders=ON"
+
+# nlohmann-json is a header only C++ library, so the main package will be empty.
+
+RDEPENDS:${PN}-dev = ""
+
+BBCLASSEXTEND = "native nativesdk"
+
+# other packages commonly reference the file directly as "json.hpp"
+# create symlink to allow this usage
+do_install:append() {
+    ln -s nlohmann/json.hpp ${D}${includedir}/json.hpp
+}