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/cmake/CreateModuleSymlink.cmake

@@ -0,0 +1,20 @@
+set(MODULE_LINK_PATH "${EVEREST_MODULE_INSTALL_PREFIX}/${MODULE_NAME}")
+
+if(IS_DIRECTORY ${MODULE_LINK_PATH} AND NOT IS_SYMLINK ${MODULE_LINK_PATH})
+    message(
+        FATAL_ERROR "\
+I won't be able create the symlink, because the link target \
+${MODULE_LINK_PATH} already exists and I don't want to delete \
+it. Probably you executed the INSTALL target already without \
+symlinks. Please remove the directory manually.\
+"
+    )
+endif()
+
+install(
+    CODE "
+        execute_process(COMMAND cmake -E create_symlink
+                        ${CMAKE_CURRENT_SOURCE_DIR}
+                        ${MODULE_LINK_PATH})
+    "
+)