Added stylus snippets.

[JonEckenrode]

Created folder and file for stylus snippets.

[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/stylus/StylusSnippets.kt:38, tag android_compose_stylus_motion_event_access

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[cka-dev]

LGTM