feat: `rearrange_hand`

[S1M0N38]

Re-implement the rearrange_hand from the original repo.

function name: rearrange_hand
arguments: {"cards": list[int]}

The list of cards is in the new order of the cards specified by the old index (0-based index). For example:

{"cards": [0, 2, 1, 3]}

Meaning:

• card in position 0 stays in position 0 (first card)
• card in old position 3 (index 2) is now moved to the second spot (new index 1)
• card in old position 2 (index 1) is now moved to the 3rd place (new index 2)
• card in the last place (pos 4, index 3) stays in the last spot.

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Maybe the field about card order in the game state should be update as well (e.g. order="desc"), but for now it's ok to ignore it.