chore: replace legacy nix with flake setup

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -228,3 +228,5 @@ $RECYCLE.BIN/
 *.lnk
 
 # End of https://www.toptal.com/developers/gitignore/api/node,linux,macos,windows,vue
+
+.direnv

CONTRIBUTING.md

@@ -4,7 +4,7 @@ Don't hesitate to open an issue if you have trouble.
 ### Setup Dev Environment
 
 Canonically this package uses Node 18 and `pnpm` as a package manager.
-If you are a [Nix](https://nixos.org/) user, there is a `shell.nix` file in the project root.
+If you are a [Nix](https://nixos.org/) user, there is a `flake.nix` file in the project root.
 
 Clone the repository and run
 

flake.nix

@@ -0,0 +1,25 @@
+{
+  description = "";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let 
+        pkgs = nixpkgs.legacyPackages.${system}; 
+      in 
+      {
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            nodejs_18
+            nodePackages.pnpm
+            nodePackages.typescript-language-server
+            vue-language-server
+          ];
+        };
+      }
+    );
+}