feat(api): add a seed field to actions

feat(api): update gamestate when joining

fix: rename docker function in api dev-launch.sh

feat: flake.nix for api, improved dev-launch.sh

feat(api): rename GameInfo to GameDetails

feat!(api): rename /all_forming to /forming

feat(api): make /user/token return more details

rework: rename sdbapi to api, redo data structure