Add dynamic-codecs package

[lorisleiva]

This PR adds a new dynamic-codecs package that allows us to create Codec instances on demand (as defined in @solana/codecs) from Codama nodes.

This package is a bit low-level since the intention is for it to be used inside another dynamic-parsers package which will be created shortly after this PR is merged. The goal of the dynamic-codecs package is to focus on the foundations of creating codecs for any nodes.

Namely, it offers a getNodeCodec function that, given the full NodePath of a node, returns a Codec<unknown> that enables encoding and decoding data for that node. Here's an example:

const codec = getNodeCodec([root, program, definedType]);
const bytes = codec.encode(someData);
const decodedData = codec.decode(bytes);

See the README of the new package for more information.

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🦋 Changeset detected

Latest commit: 0591177

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@codama/dynamic-codecs	Minor

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[lorisleiva]

• Add dynamic-codecs package #289 👈
• main

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[lorisleiva]

Quick self-review

[ngundotra]

LGTM! Looking forward to dynamic-parsers package!