Breaking
- Major: user openapi-codegen instead of swagger-codegen
([`a812b96`](https://github.com/bimdata/python-api-client/commit/a812b9686052b133703b41b36a81eeb1ad497263))
- Major: set default api url to beta.bimdata.io, change auth behavior to use headers instead of
querystring
([`18e4efe`](https://github.com/bimdata/python-api-client/commit/18e4efeea41cfa43eda671c6a8ff097fd9f46350))