* chore: use type for rate limit config
Use type instead of `seq[string]` for rate limit config earlier.
Enables to fail faster (at config time) if the string is malformated
Also enables using object in some scenarios.
* test: remove import warnings
* improve naming and add tests
Split `WakuNodeConfig` object for better separation of concerns and to introduce a tree-like structure to configuration.
* fix: ensure twn cluster conf is still applied when clusterId=1
* test: remove usage of `WakuNodeConf`
* Remove macro, split builder files, remove wakunodeconf from tests
* rm network_conf_builder module as it is not used
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Co-authored-by: NagyZoltanPeter <113987313+NagyZoltanPeter@users.noreply.github.com>
Co-authored-by: Ivan Folgueira Bande <ivansete@status.im>