docs: Issue in page Geospatial types

[daveherrington]

I would like to report an issue in page https://cpp-driver.docs.scylladb.com/master/topics/dse_features/geotypes/index

Problem

In the first set of inserts in the CQL example (see 3rd insert statement) you insert the POLYGON value into the LineStringType column, instead of inserting it into the PolygonType column as the demo should do. It appears correctly on down in the C/C++ example.

Suggest a fix

Change the 3rd insert statement so it inserts the POLYGON(()) value into the polygon column of the demo example geotypes table, rather than inserting it into the linestring column.