update autocomplete and add boundary sample

[oppenheimera]

No description provided.

[snippet-bot]

Here is the summary of changes.

You are about to add 3 region tags.

• samples/3d-camera-boundary/index.html:7, tag maps_3d_camera_boundary
• samples/3d-camera-boundary/index.ts:8, tag maps_3d_camera_boundary
• samples/3d-camera-boundary/style.css:6, tag maps_3d_camera_boundary

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