Refactor swipe-to-dismiss examples

[JolandaVerhoef]

• Update TodoItem data class for better readability
• Refactor the swipe item to improve the overall performance and readability
• Refactor SwipeItemExample for better readability
• Refactor SwipeCardItemExample and rename it to SwipeItemWithAnimationExample for better description
• Modify the swipe to dismiss animation for better user experience
• Add comments to make code easy to read

[snippet-bot]

Here is the summary of changes.

You are about to add 1 region tag.

• compose/snippets/src/main/java/com/example/compose/snippets/components/SwipeToDismissBox.kt:229, tag android_compose_components_swipecarditemexample

You are about to delete 1 region tag.

• compose/snippets/src/main/java/com/example/compose/snippets/components/SwipeToDismissBox.kt:292, tag android_compose_components_swipecarditemexample

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