* changed NymConfigTemplate trait to call 'template' by reference
* network requester lib
* introduced generic parameter to 'MixTrafficController' to allow non-remote gateways
* allowing for custom gateway sender
* types cleanup
* minor gateway cmds refactor + initial NR work
* wip
* running a NR inside gateway
note: this NR isnt tied to the gateway yet
* rebase fixes
* propagating same shutdown handle
* wip
* starting NR with appropriate local transceiver
* fixed premature shutdown
* wiring up PacketRouter
* both ends wired together
* actually working
so much cleanup to do now
* started removing dead code
* wip
* temp: hardcode gateway
* further cleanup
* fixed build of other binaries
* setup-network-requester subcmd
* overriding NR config in gateway init/run
* wip making it wasm-compatible [again]
* refactored 'GatewaySetup'
* clippy and friends
* removed debug code
* rust 1.72 lints
* ensuring local gateway is available + some comments
* correctly putting network requester data in the same underlying details struct
* improved gateway errors
* changed 'network_requester_config' deserialization
* missing clap annotation for 'enabled' flag in 'setup-network-requester' command
* saving config file after 'setup-network-requester'
* removed dead code
* review comments
* make embedded NR wait for gateway to come online (for at most 70min)
* fixed shutdown on successful gateway wait
* updated NR config override
serinko