Message#createWithDefaults: Set mesasge type if message_reference is set and no other type is set

add extraFields optional param on toPrivateUser, expose rights on READY

gateway: expose self rights on ready, maybe?

Add well-known routes

fix: docker tags cannot include `+` (why? idk)

OA: regenerate after cherry-picking script changes from dev/emma-wip

Exclude some more schemas

Improve openapi schema generation script

GHA: run nix flake check to run server tests and more checks

Nix: emit revision file, bundle: use revision file, fix git dir resolution on logo

Nix: move patch-package to devDependencies, drop usage of npx, drop patchPhase

Nix: Strip down a good chunk of node_modules

Move typescript-json-schema to devDependencies (no runtime usage)

Nix: rename test to check if bundle starts with the module

Nix: use own revision as package version

Nix: drop ts-node from devenv

Merge pull request #1402 from MathMan05/fixGroups

only for gorups

default undefined

fix groups more

Nix/docker: use specified system

Nix: add missing lib specifier in module

Update nix and packages

Merge pull request #1399 from CyberL1/fix/activities

fix: default `activities` to empty array

Merge pull request #1397 from MathMan05/groupFix

Merge branch 'master' into groupFix

fix groups

Merge pull request #1395 from MathMan05/readStateFix

fixes