Updates required in Sphinx Documentation

In the sphinx documentation there are a few ToDo points which needs to be updated. The following are the links where ToDo section needs to be updated.

GUI: https://gitlab.eclipse.org/eclipse/openpass/opSimulation/-/blob/develop/doc/source/index.rst?ref_type=heads&plain=1#L31

https://gitlab.eclipse.org/eclipse/openpass/opSimulation/-/blob/develop/doc/source/user_guide/tutorials/10_scenario_simulation.rst?ref_type=heads&plain=1#L27

PCM: https://gitlab.eclipse.org/eclipse/openpass/opSimulation/-/blob/develop/doc/source/user_guide/tutorials/20_pcm_simulation.rst?ref_type=heads&plain=1#L17