[feat]: transition-group compatibility

[VolodymyrTesliuk]

<transition-group> compatibility

This PR adds support for using Vue's TransitionGroup with the Sortable component, addressing long-standing issues such as:

• Issues using with TransistionGroup #36
• Transition when inserting new data to the list ? #114

To enable transitions:

• Set the tag prop to "transition-group" or "TransitionGroup"
• Use the name prop to specify your custom transition, just as you would with Vue's native transition-group

Example:

<Sortable
    ...
    tag="transition-group"
    group-tag="ul"
    name="list-fade"
  >
    <template #item="{ element }">
      ...
    </template>
  </Sortable>

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Project	Deployment	Preview	Comments	Updated (UTC)
sortablejs-vue3	Ready	Preview	Comment	Sep 4, 2025 0:16am

[MaxLeiter]

thank you! can you update the README to reflect these changes?