client insert value relation support

[konard]

await deep.insert({
	type_id: 1,
	string: { data: { value: 'Abc' } } // now we must know string/number/object relation
	from: { data: { type_id: 1 } },
	to: { data: { type_id: 1 } },
});
// need to support syntax
// if data not setted, object already can be used as relation insert
await deep.insert({
	type_id: 1,
	value: 'Abc', // and value type relation getts from value type, for example 'Abc' is string
	from: { type_id: 1 },
	to: { type_id: 1 },
});

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Forked from deep-foundation/deeplinks#30 by https://github.com/konard/gh-org-migrator