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/Simulation/IMDSimulator/docs/index.rst

@@ -0,0 +1,15 @@
+.. _everest_modules_handwritten_IMDSimulator:
+
+.. ############
+.. IMDSimulator
+.. ############
+
+External MQTT Control
+=====================
+
+The IMDSimulator module supports setting the simulated isolation resistance via MQTT.
+To set the resistance, publish an integer value (in Ohms) to the following topic:
+
+.. code-block:: none
+
+    everest_api/<module_id>/cmd/set_resistance