fix: send unrecognized error on wrong http methods

See merge request famedly/conduit!397

fix `@conduit help` not working in the admin room

See merge request famedly/conduit!392

Log config falls back to "warn"

Update config-example.toml to accordingly

Closes #281

fix(client/login): username in lowercase for login by token

See merge request famedly/conduit!380

Mark unstable versions as unstable in /capabilities

See merge request famedly/conduit!394

fix: all the e2ee problems

See merge request famedly/conduit!393

This way we don't regress on accident again in the future.

This has no functional effects.

So we need to re-enable some things. See their changelog[0] for details.

[0]: https://github.com/clap-rs/clap/blob/master/CHANGELOG.md#migrating

fix: fluffychat login works again

See merge request famedly/conduit!391

improvement: more efficient /claim

See merge request famedly/conduit!389

fix: make join should not send event id

See merge request famedly/conduit!390

Initial sync fix

See merge request famedly/conduit!388

fix(client/keys): ignore all but signed keys in signature upload route

See merge request famedly/conduit!378

Dockerfile: changing DB path to be same as we are using in CI

See merge request famedly/conduit!371