feat(users/Profpatsch): add a tree-sitter parser for nix r/2117

Uses the rust library to set up a simple nix parsing expression, which
reads a nix file and prints the sexp tree.

Change-Id: I32dc9c7b39aa0f7ffa2b99348d6c2269e5fe1a6a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2402
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

0 files changed, 0 insertions, 0 deletions