Pavel Císař

Add subaccount support

4

Master account can pretend be subaccount using extra header. This feature is not implemented or I did not find it. Thanks Pavel Cisar

Fixed building with latest golang image.

[BUG] Demo from homepage does not work

10

### Describe the bug. Runnig demo usage using docker publish on project's homepage fails. docker run --rm -it -v ${PWD}/example:/app/example -v ${PWD}/output:/app/output \ asyncapi/cli generate fromTemplate https://bit.ly/asyncapi @asyncapi/html-template -o example...