3 commits

Author	SHA1	Message	Date
cinereal	e462211c49	md -> mmd ... usage: ```sh nix-shell -p mermaid-cli --command 'mmdc -i data-model.mmd -o data-model.svg -b transparent' ```	2025-05-31 20:37:41 +02:00
cinereal	8182b5bf05	add migration scripts	2025-05-31 19:42:44 +02:00
cinereal	2f3e1222b8	add entity relationship diagram	2025-05-27 20:27:14 +02:00