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/shapeshifter-library-python-main/docs/source/api/services.rst

@@ -0,0 +1,8 @@
+Service API Reference
+=====================
+
+The servers listen for request from other clients.
+
+.. automodule:: shapeshifter_uftp.service.agr_service
+.. automodule:: shapeshifter_uftp.service.dso_service
+.. automodule:: shapeshifter_uftp.service.cro_service