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/util/tests/CMakeLists.txt

@@ -0,0 +1,23 @@
+add_executable(everest_util_tests
+  async/monitor_tests.cpp
+  async/thread_pool_tests.cpp
+  async/thread_pool_scaling_tests.cpp
+  async/wrapper_tests.cpp
+  enum/EnumFlagsTest.cpp
+  enum/EnumFlagsTest_B.cpp
+  math/comparison_tests.cpp
+  queue/simple_queue_tests.cpp
+  queue/thread_safe_queue_tests.cpp
+  queue/thread_safe_bounded_queue_tests.cpp
+  vector/fixed_vector_tests.cpp
+  fsm/fsm_tests.cpp
+)
+
+target_link_libraries(everest_util_tests
+  PRIVATE
+        GTest::gtest_main
+        everest::util
+)
+
+include(GoogleTest)
+gtest_discover_tests(everest_util_tests)