feat: serialize components using namespaced directory structure

[dwong2708]

Resolves: #350

Summary

This PR implements a new directory layout for component serialization based on:

• Component namespace
• Component type
• Component identifier

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Details

• Each component is now stored in its own folder hierarchy.
• A TOML file is included for each component, containing its basic metadata.
• If versioned data is available, it is placed under a component_versions/<version>/ subdirectory inside the component’s folder.

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Example Output

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