add yacht exercise

[xavdid]

Adds the yacht exercise. I copied the tests from the JS track and added my own TS implementation (which roughly mirrors my Elixir approach).

Most files were generated by configlet. Cleared in the PR in the forum.

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[SleeplessByte]

Blocked by https://github.com/exercism/typescript/pull/1427

[ErikSchierboom]

@SleeplessByte I've merged main into this branch to unblock.

[xavdid]

@SleeplessByte is there anything else I need to do on this?