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-connectivity/mqttc/mqttc_1.1.6.bb

@@ -0,0 +1,14 @@
+SUMMARY = "A portable MQTT C client for embedded systems and PCs alike"
+LICENSE = "MIT"
+
+LIC_FILES_CHKSUM = "file://LICENSE;md5=9226377baf0b79174c89a1ab55592456"
+
+SRC_URI = "git://github.com/LiamBindle/MQTT-C;protocol=http;branch=master;protocol=https \
+           file://0001-Add-cmake-package-config.patch \
+           "
+
+SRCREV = "f69ce1e7fd54f3b1834c9c9137ce0ec5d703cb4d"
+
+S = "${WORKDIR}/git"
+
+inherit cmake