feat: Migrates the layer-bicycling sample to js-api-samples.

[willum070]

No description provided.

[snippet-bot]

Here is the summary of changes.

You are about to add 3 region tags.

• samples/layer-bicycling/index.html:7, tag maps_layer_bicycling
• samples/layer-bicycling/index.ts:7, tag maps_layer_bicycling
• samples/layer-bicycling/style.css:6, tag maps_layer_bicycling

---

This comment is generated by snippet-bot.
If you find problems with this result, please file an issue at:
https://github.com/googleapis/repo-automation-bots/issues.
To update this comment, add snippet-bot:force-run label or use the checkbox below:

• Refresh this comment