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/lib/everest/io/test/CMakeLists.txt

@@ -0,0 +1,15 @@
+add_executable(everest_io_tests
+  endpoint_test.cpp
+  udp_client_v6_test.cpp
+  udp_unconnected_socket_test.cpp
+  udp_dualstack_server_socket_test.cpp
+)
+
+target_link_libraries(everest_io_tests
+  PRIVATE
+        GTest::gtest_main
+        everest::io
+)
+
+include(GoogleTest)
+gtest_discover_tests(everest_io_tests TEST_PREFIX "io.")