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/slac/tests/CMakeLists.txt

@@ -0,0 +1,24 @@
+set(TEST_TARGET_NAME slac_unit_test)
+add_executable(${TEST_TARGET_NAME} libslac_unit_test.cpp)
+
+target_include_directories(${TEST_TARGET_NAME} PUBLIC${GTEST_INCLUDE_DIRS})
+
+if(DISABLE_EDM)
+    find_package(GTest REQUIRED)
+else()
+    set(GTEST_LIBRARIES
+        GTest::gmock
+        GTest::gtest
+        GTest::gtest_main
+    )
+endif()
+
+target_link_libraries(${TEST_TARGET_NAME} PRIVATE
+        ${GTEST_LIBRARIES}
+        slac::slac
+)
+
+include(GoogleTest)
+gtest_discover_tests(${TEST_TARGET_NAME})
+
+ev_register_test_target(${TEST_TARGET_NAME})