* use of multiple Eth clients instead of just one
* config_chat2 enhance param comment
* group_manager: raise exception if could not connect to any of the eth clients
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>
