Feature update/cost models

[twwu123]

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Summary

Previously the cost models were hardcoded, so every single hard fork required manual updates to the hardcoded cost models to calculate script data hash. Update the tx builder so that it can accept custom cost models, AND by default, pull cost models from fetcher.

Two things I've added

1. .setCostModels endpoint (previously .setNetwork had an option for number[][] for cost models, but .setCostModels seems more obvious what it does).

2. By default, it now pulls cost models from the fetcher if available, these are currently available for blockfrost and maestro.

Affect components

Please indicate which part of the Mesh Repo

• @meshsdk/common
• @meshsdk/contract
• @meshsdk/core
• @meshsdk/core-csl
• @meshsdk/core-cst
• @meshsdk/hydra
• @meshsdk/provider
• @meshsdk/react
• @meshsdk/svelte
• @meshsdk/transaction
• @meshsdk/wallet
• Mesh playground (i.e. https://meshjs.dev/)
• Mesh CLI

Type of Change

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• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Bug fix (non-breaking change which fixes an issue)
• Code refactoring (improving code quality without changing its behavior)
• Documentation update (adding or updating documentation related to the project)

Related Issues

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Checklist

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• My code is appropriately commented and includes relevant documentation, if necessary
• I have added tests to cover my changes, if necessary
• I have updated the documentation, if necessary
• All new and existing tests pass (i.e. npm run test)
• The build is pass (i.e. npm run build)

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