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/session_cost.yaml

@@ -0,0 +1,24 @@
+description: >-
+  This interface publishes the running or finished session costs. This interface
+  provides cost of one session. If we have more than one EVESEID, we need to 
+  instantiate this interface for each EVSE.
+vars:
+  default_price:
+    description: >-
+      The currently applicable default pricing text for this charger,
+      independent of any active session. Published once on startup and again
+      whenever the applicable price changes (e.g. after a connectivity state
+      change or a configuration update). Absent if no default price is
+      configured.
+    type: object
+    $ref: /session_cost#/DefaultPrice
+  tariff_message:
+    description: Message to show to the user with information about the tariff.
+    type: object
+    $ref: /session_cost#/TariffMessage
+  session_cost:
+    description: >-
+      Session cost object containing the total cost of the session and a list
+      of chunks
+    type: object
+    $ref: /session_cost#/SessionCost