Compile all meeting notes and add them to the repo

[konrad]

Currently we have used several pads on hackMD. The content of them should be added to the repo. Maybe also generate a template for the pad for future meetings.

[serahkiburu]

Notes have been added by @RabeaMue here https://github.com/LibraryCarpentry/lc-wikidata/blob/gh-pages/meeting_notes.md