Cretae config from template

Is there a way to create a yaml config file from a defined template dict like the one in `/eample/__init__.py`

The use case is to generate a new config file to start with if there is no configuration file defined yet.

config.dump() only dumps the currently loaded config, but I can't find an option how to dump a template dict.

Start by reading the template dict in `/eample/__init__.py` and the behavior of `config.dump()`. Determine how a template dict could be used when no configuration file is loaded; done means a new YAML config can be generated from that template rather than only dumping the current config.

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