Add contributing and update readme#6

Merged

carderne merged 3 commits intocarderne:templatefrom

jakob1379:add-contributing

Jul 16, 2025

Commits on Jul 15, 2025

chore: exclude render-template from rendered project
Jakob Stender Guldberg
committed
docs: Add CONTRIBUTING guide
Jakob Stender Guldberg
committed
docs: Update README with Copier template usage instructions
Jakob Stender Guldberg
committed