add dictionary compression, first pass

Cargo.toml

@@ -18,7 +18,7 @@ axum_typed_multipart = "0.11.1"
 chrono = "0.4.38"
 clap = { version = "4.5.4", features = ["derive"] }
 futures = "0.3.30"
-kdam = "0.5.1"
+kdam = "0.5.1"                                                                 # for load-test
 rand = "0.8.5"
 rusqlite = { version = "0.31.0", features = ["vtab"] }
 serde = { version = "1.0.198", features = ["serde_derive"] }
@@ -31,3 +31,6 @@ tracing-subscriber = "0.3.18"
 reqwest = { version = "0.12.4", features = ["json", "multipart", "blocking"] }
 hex = "0.4.3"
 zstd = "0.13.1"
+
+[dev-dependencies]
+rstest = "0.19.0"