feat(tvix/nix-compat): add narinfo parsing and serialisation

Change-Id: I72c63414794642ca8d85c3f635f49db888420c40
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9852
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI

tvix/nix-compat/Cargo.toml

@@ -26,6 +26,8 @@ serde_json = "1.0"
 test-case = "2.2.2"
 criterion = { version = "0.4", features = ["html_reports"] }
 hex-literal = "0.4.1"
+pretty_assertions = "1.4.0"
+zstd = "^0.9.0"
 
 [dev-dependencies.test-generator]
 # This fork of test-generator adds support for cargo workspaces, see
@@ -36,3 +38,7 @@ rev = "82e799979980962aec1aa324ec6e0e4cad781f41"
 [[bench]]
 name = "derivation_parse_aterm"
 harness = false
+
+[[bench]]
+name = "narinfo_parse"
+harness = false