feat: add arrow extension type support in arrow-pg (#231)

* feat: update type conversion to use field instead of datatype

* feat: pass arrow field all the way the any encoder

* feat: update api after merge

* fix: duckdb example

* fix: resolve type for list/struct

* feat: geo data encoding WIP

* chore: update geoarrow

* feat: implement extension type support WIP

* feat: implement extension mechanism and point encoding

* test: fix unit test

* fix: row_encoder merge error

* chore: turn-off geo feather for default

Author: sunng87

.cargo/config.toml

@@ -1,3 +0,0 @@
-[target.x86_64-unknown-linux-gnu]
-linker = "clang"
-rustflags = ["-C", "link-arg=-fuse-ld=lld"]