Chain registry in decoding lib

[Ptroger]

This PR adds a new config input to the decoding lib. It's an object made of chains and slip44.
This object will be the list of supported chains by the decoding lib. If a chain is not in this list, no native transfers will be able to be performed on this chain.
The secondary idea is to make the decoding lib defaulting to usage of data signed by the user in its entities. Meaning JSON inputs that are then used to build different registries.

For the Chain entities: It's a JSON object where keys are chainIds and value, for the moment, is an object:
{
nativeSlip44: number
}

e.g:

{
  1: {
    nativeSlip44: 60
  },
  60: {
    nativeSlip44: 966
  }
}

This object can be extensed later with other metadata we need.

Another part of this PR is a script that builds the default JSON input of supported chains.
It is made from viem supported chains and slip44 values.

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