feat:add_flake

flake.nix

@@ -0,0 +1,21 @@
+{
+  description = "A Nix-flake-based development environment";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  outputs = { self, nixpkgs }:
+  let
+    supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
+    forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
+      pkgs = import nixpkgs { inherit self system; };
+    });
+  in
+  {
+    devShells = forEachSupportedSystem ({ pkgs }: {
+      default = pkgs.mkShell {
+        packages = with pkgs; [
+          pagefind
+          zola
+        ];
+      };
+    });
+  };
+}