first commit

flake.nix

@@ -0,0 +1,28 @@
+{
+  description = "xray-core dev shell";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    nixpkgs,
+    flake-utils,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem (
+      system: let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+      in {
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            bun
+            nixfmt
+          ];
+        };
+      }
+    );
+}