community: Add PolygonAggregates tool (#18882)
**Description:**
In this PR, I am adding a `PolygonAggregates` tool, which can be used to
get historical stock price data (called aggregates by Polygon) for a
given ticker.
Polygon
[docs](https://polygon.io/docs/stocks/get_v2_aggs_ticker__stocksticker__range__multiplier___timespan___from___to)
for this endpoint.
**Twitter**:
[@virattt](https://twitter.com/virattt)
