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/modules/EVSE/EvseManager/README.md

@@ -0,0 +1,14 @@
+# EvseManager documentation
+
+see `doc.rst`
+
+## Tests
+
+```bash
+cd EVerest
+mkdir build && cd build
+cmake -DBUILD_TESTING=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=./dist ..
+make -j$(nproc) install
+```
+
+Tests are installed in `./modules/EvseManager/tests/`