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/interfaces/solar_forecast.yaml

@@ -0,0 +1,7 @@
+description: This interface defines the interface for an solar energy production forecast
+vars:
+  forecast:
+    description: >-
+      Forecast JSON Object containing a timestamp and the energy forecast
+      in watthours.
+    type: object