Provide initial version of the workshop material

.gitignore

.gitlab-ci.yml

CHANGELOG.md

CONTRIBUTING.md

LICENSE.md

LICENSES/CC-BY-4.0.txt

LICENSES/CC0-1.0.txt

README.md

episodes/01-using-shell.md

episodes/08-remotes-in-gitlab.md

episodes/09-conflicts.md

episodes/10-collaboration-with-others.md

episodes/extras/branching.pptx

episodes/extras/branching.pptx.license

episodes/extras/conflicts.pptx

episodes/extras/conflicts.pptx.license

episodes/extras/shell-cheat-sheet.docx

episodes/extras/shell-cheat-sheet.docx.license