Documentation fixed

Update doc/source/figures/DES_2_4.png, doc/source/figures/DES_2_4v2.png, doc/source/figures/Ex42_0.png, doc/source/figures/Ex42_1.png, doc/source/figures/Ex42_2.png, doc/source/figures/chart_name.pdf, doc/source/figures/critical_graph.pdf, doc/source/figures/example2CT.pdf, doc/source/figures/exampleCT.pdf, doc/source/figures/exampleCT_2.pdf, doc/source/figures/manufacturing_system.jpeg, doc/source/figures/precedence_graph.pdf, doc/source/figures/timed_event_graph.jpeg, doc/source/petritub/init.py, doc/source/petritub/max_plus.py, doc/source/petritub/min_plus.py, doc/source/petritub/untimed_pn.py, doc/source/petritub/versions.md, doc/source/.gitignore, doc/source/conf.py, doc/source/gettingStarted.rst, doc/source/index.rst, doc/source/max_plus.rst, doc/source/min_plus.rst, doc/source/modules.rst, doc/source/tutorial_max_plus.nblink, doc/source/tutorial_untimed_pn.nblink, doc/source/tutorials.rst, doc/source/untimed_pn.rst, doc/Makefile, doc/make.bat, .gitlab-ci.yml, readme.md Deleted Documentation/build/.doctrees/nbsphinx/tutorial_max_plus.ipynb, Documentation/build/.doctrees/nbsphinx/tutorial_max_plus_15_0.png, Documentation/build/.doctrees/nbsphinx/tutorial_max_plus_42_1.png, Documentation/build/.doctrees/nbsphinx/tutorial_max_plus_49_0.png, Documentation/build/.doctrees/nbsphinx/tutorial_max_plus_55_0.png, Documentation/build/.doctrees/nbsphinx/tutorial_untimed_pn.ipynb, Documentation/build/.doctrees/nbsphinx/tutorial_untimed_pn_13_0.png, Documentation/build/.doctrees/nbsphinx/tutorial_untimed_pn_41_0.png, Documentation/build/.doctrees/environment.pickle, Documentation/build/.doctrees/gettingStarted.doctree, Documentation/build/.doctrees/index.doctree, Documentation/build/.doctrees/max_plus.doctree, Documentation/build/.doctrees/min_plus.doctree, Documentation/build/.doctrees/modules.doctree, Documentation/build/.doctrees/tutorial_max_plus.doctree, Documentation/build/.doctrees/tutorial_untimed_pn.doctree, Documentation/build/.doctrees/tutorials.doctree, Documentation/build/.doctrees/untimed_pn.doctree, Documentation/build/_images/DES_2_4.png, Documentation/build/_images/DES_2_4v2.png, Documentation/build/_images/Ex42_0.png, Documentation/build/_images/Ex42_1.png, Documentation/build/_images/Ex42_2.png, Documentation/build/_images/manufacturing_system.jpeg, Documentation/build/_images/timed_event_graph.jpeg, Documentation/build/_images/tutorial_max_plus_15_0.png, Documentation/build/_images/tutorial_max_plus_42_1.png, Documentation/build/_images/tutorial_max_plus_49_0.png, Documentation/build/_images/tutorial_max_plus_55_0.png, Documentation/build/_images/tutorial_untimed_pn_13_0.png, Documentation/build/_images/tutorial_untimed_pn_41_0.png, Documentation/build/_sources/gettingStarted.rst.txt, Documentation/build/_sources/index.rst.txt, Documentation/build/_sources/max_plus.rst.txt, Documentation/build/_sources/min_plus.rst.txt, Documentation/build/_sources/modules.rst.txt, Documentation/build/_sources/tutorial_max_plus.nblink.txt, Documentation/build/_sources/tutorial_untimed_pn.nblink.txt, Documentation/build/_sources/tutorials.rst.txt, Documentation/build/_sources/untimed_pn.rst.txt, Documentation/build/_static/css/fonts/Roboto-Slab-Bold.woff, Documentation/build/_static/css/fonts/Roboto-Slab-Bold.woff2, Documentation/build/_static/css/fonts/Roboto-Slab-Regular.woff, Documentation/build/_static/css/fonts/Roboto-Slab-Regular.woff2, Documentation/build/_static/css/fonts/fontawesome-webfont.eot, Documentation/build/_static/css/fonts/fontawesome-webfont.svg, Documentation/build/_static/css/fonts/fontawesome-webfont.ttf, Documentation/build/_static/css/fonts/fontawesome-webfont.woff, Documentation/build/_static/css/fonts/fontawesome-webfont.woff2, Documentation/build/_static/css/fonts/lato-bold-italic.woff, Documentation/build/_static/css/fonts/lato-bold-italic.woff2, Documentation/build/_static/css/fonts/lato-bold.woff, Documentation/build/_static/css/fonts/lato-bold.woff2, Documentation/build/_static/css/fonts/lato-normal-italic.woff, Documentation/build/_static/css/fonts/lato-normal-italic.woff2, Documentation/build/_static/css/fonts/lato-normal.woff, Documentation/build/_static/css/fonts/lato-normal.woff2, Documentation/build/_static/css/badge_only.css, Documentation/build/_static/css/theme.css, Documentation/build/_static/js/badge_only.js, Documentation/build/_static/js/html5shiv-printshiv.min.js, Documentation/build/_static/js/html5shiv.min.js, Documentation/build/_static/js/theme.js, Documentation/build/_static/_sphinx_javascript_frameworks_compat.js, Documentation/build/_static/basic.css, Documentation/build/_static/doctools.js, Documentation/build/_static/documentation_options.js, Documentation/build/_static/file.png, Documentation/build/_static/jquery-3.6.0.js, Documentation/build/_static/jquery.js, Documentation/build/_static/language_data.js, Documentation/build/_static/minus.png, Documentation/build/_static/plus.png, Documentation/build/_static/pygments.css, Documentation/build/_static/searchtools.js, Documentation/build/_static/sphinx_highlight.js, Documentation/build/_static/underscore-1.13.1.js, Documentation/build/_static/underscore.js, Documentation/build/.buildinfo, Documentation/build/genindex.html, Documentation/build/gettingStarted.html, Documentation/build/index.html, Documentation/build/max_plus.html, Documentation/build/min_plus.html, Documentation/build/modules.html, Documentation/build/objects.inv, Documentation/build/search.html, Documentation/build/searchindex.js, Documentation/build/tutorial_max_plus.html, Documentation/build/tutorial_max_plus.ipynb, Documentation/build/tutorial_untimed_pn.html, Documentation/build/tutorial_untimed_pn.ipynb, Documentation/build/tutorials.html, Documentation/build/untimed_pn.html