Function alignMoves

alignMoves(
    g: {
        boxes: ReadonlyMap<number, PlanBox>;
        carried?: readonly number[];
        mode: AlignMode;
        reference: number | null;
        targets: readonly number[];
    },
): { id: number; shift: [number, number] }[]
The moves the gesture would make: each target's shift, the ones already aligned left out.
Parameters
- g: {
      boxes: ReadonlyMap<number, PlanBox>;
      carried?: readonly number[];
      mode: AlignMode;
      reference: number | null;
      targets: readonly number[];
  }
Returns { id: number; shift: [number, number] }[]