Create git workflow

quick-start-guides/get_started_with_git.md

+## check your local working directory for changes
+```
+git status
+```
+
+## if 'nothing to commit, working tree clean' get the changes from remote repository
+```
+git pull origin master (or main)
+```
+
+## if you want to start fresh from the remote repo
+```
+git reset --hard origin/master (or origin/main)
+```
+https://stackoverflow.com/a/38784578
+
+## work now! after you have made  changes
+```
+git add [specify filename]
+```
+or add ALL
+```
+git add .
+```
+
+## work some more! if done
+```
+git add . (optional)
+```
+```
+git commit -m "Write message"
+```
+
+## see the difference you made
+```
+git diff origin main
+```
+
+## send your changes to the remote repository
+```
+git push
+```
+
+## if someone has changed something in the meantime you will get notified
+```
+git pull
+```
+then
+```
+git push
+```