Add nix configs, and uv lock files

Author: yvan-sraka

.gitignore

@@ -4,6 +4,7 @@ __pycache__
 .coverage
 .direnv
 .env
+.envrc
 .idea
 .pytest_cache
 .venv

flake.lock

@@ -0,0 +1,15 @@
+{
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+  outputs = { flake-utils, nixpkgs, rust-overlay, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs { inherit system overlays; };
+      in {
+        devShell = import ./shell.nix { inherit pkgs system; };
+      });
+}

flake.nix

@@ -0,0 +1,14 @@
+# If you plan to use `nix-shell` you have first to:
+#
+# $ nix-channel --add https://github.com/oxalica/rust-overlay/archive/master.tar.gz rust-overlay
+# $ nix-channel --update
+{ pkgs ? import <nixpkgs> { overlays = [ (import <rust-overlay>) ]; }
+, system ? builtins.currentSystem }:
+with pkgs;
+let
+    toolchain = (rust-bin.fromRustupToolchainFile ./rust-toolchain).override {
+        extensions = [ "rust-src" "rust-analyzer" "clippy" ];
+    };
+in mkShell {
+    buildInputs = [ toolchain openssl pre-commit pkg-config python3 uv ];
+}