Start emulator with custom zerolog to log out debug information

[bjartek]

Instructions

In the following Thread in discord @janezpodhostnik gave some very nice debug information about a transaction 984648422780981278

Testnet: ComputationKindStatement: 2111, ComputationKindLoop: 150, ComputationKindFunctionInvocation: 605, ComputationKindGetValue: 134858, ComputationKindSetValue: 185044

Mainnet: ComputationKindStatement: 2561, ComputationKindLoop: 150, ComputationKindFunctionInvocation: 755, ComputationKindGetValue: 396052, ComputationKindSetValue: 434249,

It would be very nice if this information was present in the emualtor. If nothing else then as log messages

Issue To Be Solved

Adding an option to allow starting emulator with a custom zerolog implementation.

https://github.com/onflow/flow-emulator/blob/master/blockchain.go#L364