Feat: Validate typescript types for modifier data

[marcustyphoon]

This uses https://github.com/samchon/typia's runtime type validators to confirm that the modifier data files match the types specified for them in src/assets/modifierdata/metadata.ts.

Typia applies a build-time code transformation to convert Typescript's types (which don't exist at runtime) into code. It's possible to integrate this into the Vite build process, but as we don't currently do any runtime validation in the actual application and that involves making sure Vite uses tsc, this instead does a one-time code generation when you run a standalone script. (There is a potential use case for runtime verification—we could validate the user-entered content in the "Extra Modifiers" box—but that could be a potential future thing.)

This is a first step to typing the modifier data as it flows through the codebase; right now it's all any.

[github-actions]

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