chore: add nix dev shell

Author: fractalbeauty

flake.lock

@@ -0,0 +1,42 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+  };
+  outputs = { self, nixpkgs, flake-utils, rust-overlay }:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let
+          overlays = [ (import rust-overlay) ];
+          pkgs = import nixpkgs {
+            inherit system overlays;
+          };
+          rustToolchain = pkgs.rust-bin.stable.latest.default;
+          nativeBuildInputs = with pkgs; [ rustToolchain pkg-config cmake ];
+          buildInputs = with pkgs; [
+            alsa-lib
+            libopus
+            xorg.libX11
+            xorg.libXext
+            xorg.libXinerama
+            xorg.libXcursor
+            xorg.libXrender
+            xorg.libXfixes
+            xorg.libXft
+            pango
+          ];
+        in
+        with pkgs;
+        {
+          devShells.default = mkShell {
+            inherit nativeBuildInputs buildInputs;
+          };
+        }
+      );
+}