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/index.rst

@@ -0,0 +1,13 @@
+API Reference
+=============
+
+This is the low-level API reference.
+
+.. toctree::
+   :maxdepth: 2
+   :caption: API Reference:
+
+   clients
+   services
+   types
+   transport