Feat complex metadata

[nmerget]

Description

Please provide the following information:

Refactored useMetadata hook to enable import resolution instead of simple JSON5 parsing.

This is used to share information for plugins across multiple components.

• Example how to use complex metadata
• Update docs for metadata

Make sure to follow the PR preparation steps in CONTRIBUTING.md before submitting your PR:

• format the codebase: from the root, run yarn fmt:prettier.
• update all snapshots (in core & CLI): from the root, run yarn test:update
• add Changeset entry: from the root, run yarn g:changeset and follow the CLI instructions. Alternatively, use the Changeset Github Bot to create the file.

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✅ Successfully ran 4 targets

• nx e2e @builder.io/e2e-app
• nx run-many --target test
• nx run-many --target build --exclude @builder.io/e2e-alpine
• nx build @builder.io/mitosis-site

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[changeset-bot]

🦋 Changeset detected

Latest commit: cd66ce0

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

This PR includes changesets to release 2 packages

Name	Type
@builder.io/mitosis	Patch
@builder.io/mitosis-cli	Patch

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