Add update state diagram script

docs/update_state_diagram.py

@@ -0,0 +1,22 @@
+import os
+from pathlib import Path
+from injector import Injector
+from transitions.extensions import GraphMachine
+
+from isar.modules import get_injector
+from isar.state_machine.state_machine import StateMachine
+
+if __name__ == "__main__":
+    injector: Injector = get_injector()
+    state_machine: StateMachine = injector.get(StateMachine)
+    machine = GraphMachine(states=state_machine.states, initial="off", queued=True)
+    machine.add_transitions(state_machine.transitions)
+    gp = machine.get_combined_graph()
+
+    state_machine_diagram_file = (
+        Path(__file__).parent.resolve().joinpath(Path("state_machine_diagram.png"))
+    )
+
+    os.remove(state_machine_diagram_file)
+
+    gp.draw(state_machine_diagram_file, prog="dot")