feat: add optional global configuration of root directory

[art0rz]

This MR adds a new optional configuration property root

In our project, we want some checkers to run in a different root directory. This property enables us to do so.

checker({
	root: path.resolve(__dirname, "../foo"),
	typescript: true,
	eslint: {
		lintCommand: 'eslint "**/*.{js,ts,tsx}" --cache --max-warnings 0',
	},
}),

[changeset-bot]

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Latest commit: eaa76fc

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[fi3ework]

Thanks!

[art0rz]

when do you think this will be released?