Function popularTopics

popularTopics(
entries: readonly CatalogEntry[],
limit?: number,
): readonly TopicCount[]
The topics most listed applets carry, for the store's filter bubbles.
Parameters
- entries: readonly CatalogEntry[]
  The listed applets.
- limit: number = 12
  How many topics to return.
Returns readonly TopicCount[]
Topics by count, then alphabetically.
Example
```
popularTopics(entries, 3); // [{ topic: 'game', count: 14 }, { topic: '3d', count: 5 }, …]
```