refactor applying tokens + add support for binding variables to effects

[six7]

Why does this PR exist?

Closes https://github.com/tokens-studio/figma-plugin/issues/2443

Figma recently added support for binding variables to effects such as shadows. This PR adds support for this.

What does this pull request do?

Changes seem big - which is because this PR includes a refactor of our update function to make it WAY easier to parse and add new features. The big setValuesOnNode file has been split into many.

I also added a way to retrieve tokens and references from the plugin side from a central store instead of passing it through for every function, i could imagine this was another sort for memory leaks.

Testing this change

Apply a couple of tokens. Composition tokens, tokens using references. Create styles, create variables, give it a gooooood test.

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Latest commit: 1033bdd3891126a1db69f47702bf8de97ab75801

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