nixify the project

flake.nix

@@ -0,0 +1,38 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs?ref=nixos-unstable";
+
+    flake-parts = {
+      url = "github:hercules-ci/flake-parts";
+      inputs.nixpkgs-lib.follows = "nixpkgs";
+    };
+
+    bun2nix = {
+      url = "github:baileyluTCD/bun2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs@{ flake-parts, ... }: flake-parts.lib.mkFlake { inherit inputs; } {
+    systems = [
+      "x86_64-linux"
+      "aarch64-linux"
+      "aarch64-darwin"
+      "x86_64-darwin"
+    ];
+
+    imports = [
+      ./nix/devShells/flake-module.nix
+      ./nix/packages/flake-module.nix
+    ];
+
+    perSystem = { lib, self', ... }: {
+      checks = 
+        let
+          packages = lib.mapAttrs' (n: lib.nameValuePair "package-${n}") self'.packages;
+          devShells = lib.mapAttrs' (n: lib.nameValuePair "devShell-${n}") self'.devShells;
+        in
+        packages // devShells;
+    };
+  };
+}