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/iso15118/test/v2gtp/v2gtp.cpp

@@ -0,0 +1,17 @@
+#include <catch2/catch_test_macros.hpp>
+
+#include <cbv2g/exi_v2gtp.h>
+
+SCENARIO("V2GTP header test") {
+    GIVEN("A binary representation of a valid (pre -20) V2GTP header") {
+        uint8_t header[] = {0x01, 0xfe, 0x80, 0x01, 0x00, 0x00, 0x00, 0x24};
+
+        THEN("It should be decoded succussfully") {
+            uint32_t payload_len;
+            auto ec = V2GTP_ReadHeader(header, &payload_len);
+
+            REQUIRE(ec == V2GTP_ERROR__NO_ERROR);
+            REQUIRE(payload_len == 0x24);
+        }
+    }
+}