Avro insert support

[danthegoodman1]

Can insert an avro record, which since it includes the schema, will use that schema for the insert.

It will be used both for setting initial table types, as well as type checking

[danthegoodman1]

Use https://github.com/fastavro/fastavro?tab=readme-ov-file

[danthegoodman1]

Inserting would need to include a kward called avro_schema to do this

[danthegoodman1]

added suggestions for type forcing on insert in the README