zstd dict refactorings

Cargo.toml

@@ -12,6 +12,10 @@ path = "src/main.rs"
 name = "load-test"
 path = "load_test/main.rs"
 
+[[bin]]
+name = "fixture-inserter"
+path = "fixture_inserter/main.rs"
+
 [dependencies]
 axum = { version = "0.7.5", features = ["macros"] }
 axum_typed_multipart = "0.11.1"
@@ -32,6 +36,9 @@ reqwest = { version = "0.12.4", features = ["json", "multipart", "blocking"] }
 hex = "0.4.3"
 zstd = { version = "0.13.1", features = ["experimental"] }
 ouroboros = "0.18.3"
+humansize = "2.1.3"
+walkdir = "2.5.0"
+tabled = "0.15.0"
 
 [dev-dependencies]
 rstest = "0.19.0"