* Refactor channels to fit layering with explicit mount
* Fix channels test to perform the new mount sequence
* Add Waku.reliableChannelManager
* liblogosdelivery_start_node mounts ReliableChannelManager after MessagingClient
* Fix test_wakunode_peer_exchange missing lockNewGlobalBrokerContext
* Fix test_protocol missing lockNewGlobalBrokerContext
* Harden provider setup vs. misconfiguration (improper shared broker context situations)
* Enhanced peer-ex protocol - added rate limiting, added response status and desc to the rpc
* Better error result handling for PeerEx request, adjusted tests
* Refactored RateLimit configuration option for better CLI UX - now possible to set separate limits per protocol. Adjusted mountings. Added and adjusted tests
* Fix libwaku due to changes of error return type of fetchPeerExchangePeers
* Fix rate limit setting tests due to changed defaults
* Introduce new gauge to help dasboard effectively show current rate limit applied for protocol
* Adjust timeing in filter rate limit test to let macos CI test run ok.
* Address review findings, namings, error logs, removed left-overs
* Changes to reflect latest spec agreement and changes. PeerExchange RPC is changed the now respond structure will contain status_code and status_desc.
