chore(tvix/tools): move narinfo2parquet to //users/edef

This is not a core Tvix tool, it's a tool that uses a Tvix component.

Change-Id: I81d2b2374da23489df0097dcabb8295c82652fc1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12606
Reviewed-by: edef <edef@edef.eu>
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>

users/edef/narinfo2parquet/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+name = "narinfo2parquet"
+version = "0.1.0"
+edition = "2021"
+
+# We can't join the //tvix workspace, because that locks zstd
+# at an ancient version, which is incompatible with polars
+[workspace]
+members = ["."]
+
+[dependencies]
+anyhow = { version = "1.0.75", features = ["backtrace"] }
+jemallocator = "0.5.4"
+nix-compat = { version = "0.1.0", path = "../../../tvix/nix-compat" }
+tempfile-fast = "0.3.4"
+zstd = "0.13.0"
+
+[dependencies.polars]
+version = "0.36.2"
+default-features = false
+features = [
+    "parquet",
+    "polars-io",
+    "dtype-categorical"
+]