Add S3 encryption

Cargo.toml

@@ -68,6 +68,7 @@ pile-config = { path = "crates/pile-config" }
 pile-flac = { path = "crates/pile-flac" }
 pile-dataset = { path = "crates/pile-dataset" }
 pile-value = { path = "crates/pile-value" }
+pile-io = { path = "crates/pile-io" }
 
 # Clients & servers
 tantivy = "0.25.0"
@@ -103,10 +104,13 @@ clap = { version = "4.5.60", features = ["derive"] }
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.149"
 base64 = "0.22.1"
+bytes = "1"
 toml = "1.0.3"
 toml_edit = "0.25.4"
 sha2 = "0.11.0-rc.5"
 blake3 = "1.8.3"
+chacha20poly1305 = "0.10.0"
+binrw = "0.15.1"
 
 # Extractors
 pdf = "0.10.0"