Extractor refactor, S3 support

crates/pile-dataset/Cargo.toml

@@ -20,9 +20,11 @@ tracing = { workspace = true }
 chrono = { workspace = true }
 toml = { workspace = true }
 thiserror = { workspace = true }
-rayon = { workspace = true }
 smartstring = { workspace = true }
 blake3 = { workspace = true }
-toml_edit = { workspace = true }
 pdf = { workspace = true }
 id3 = { workspace = true }
+tokio = { workspace = true }
+tokio-stream = { workspace = true }
+async-trait = { workspace = true }
+aws-sdk-s3 = { workspace = true }