Move the help into the package

.gitignore

docs/.gitignore

docs/_build/doctrees/editor/index.doctree

docs/_build/doctrees/editor/individual_comments.doctree

docs/_build/doctrees/editor/markup.doctree

docs/_build/doctrees/environment.pickle

docs/_build/doctrees/index.doctree

docs/_build/doctrees/overview.doctree

docs/_build/doctrees/processes.doctree

docs/_build/html/_images/foreign.svg

docs/_build/html/_images/heading-level-2.svg

docs/_build/html/_images/heading-level-3.svg

docs/_build/html/_images/italic.svg

docs/_build/html/_images/nicht-ermittelt.svg

docs/_build/html/_images/page-begin.svg

docs/_build/html/_images/quelle.svg

docs/_build/html/_images/sperrung.svg

docs/_build/html/_images/stellenkommentar.svg

docs/_build/html/_images/sup.svg

docs/_build/html/_images/vers.svg