Support geo types

[MrPowers]

Is your feature request related to a problem or challenge?

Geo types were added to the Iceberg spec, see this PR.

There is another issue with Iceberg Rust geo examples.

This issue is to implement geo types in Iceberg Rust.

Describe the solution you'd like

Developers are currently implementing geo types in apache/iceberg, see this pull request. Hopefully similar changes can be made to apache/iceberg-rust.

Willingness to contribute

None