Document table schema auto-generation of influxdb line-protocol

[bluestreak01]

We might want to add document for table schema auto-generation of influxdb line-protocol. This feature is missing from the docs. It's a key feature to consider before we actually using the line protocol.

Originally posted by @sunng87 in https://github.com/questdb/questdb/discussions/1272#discussioncomment-1481651