added Example for in Situ, using Catalyst

...hods/003-Visualization/001-InSitu/001-Catalyst/.gitignore

...1-InSitu/001-Catalyst/CatalystEnabledSimulation/README.md

...itu/001-Catalyst/CatalystEnabledSimulation/coprocessor.py

...InSitu/001-Catalyst/CatalystEnabledSimulation/cpscript.py

...01-Catalyst/CatalystEnabledSimulation/fedatastructures.py

...InSitu/001-Catalyst/CatalystEnabledSimulation/fedriver.py

...ualization/001-InSitu/001-Catalyst/Catalyst_Example.ipynb

...on/001-InSitu/001-Catalyst/Catalyst_Example_minimal.ipynb

...alization/001-InSitu/001-Catalyst/build_ParaViewKernel.sh

...lization/001-InSitu/001-Catalyst/img/Communication.drawio

...sualization/001-InSitu/001-Catalyst/img/Communication.png

.../001-InSitu/001-Catalyst/img/Communication_minimal.drawio

...ion/001-InSitu/001-Catalyst/img/Communication_minimal.png