Adds the code snippet on https://developer.android.com/quick-guides/c…

[thedmail]

…ontent/enable-snap-scrolling?hl=en (Create a button to enable snap scrolling)to the repo.

[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/lists/LazyListSnippets.kt:747, tag android_compose_lists_snap_scroll_button

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