Add shell.nix

shell.nix

@@ -0,0 +1,18 @@
+let
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-23.11";
+  pkgs = import nixpkgs { config = {}; overlays = []; };
+in
+
+pkgs.mkShell {
+  packages = with pkgs; [
+    go
+    tailwindcss
+    gnumake
+    inotify-tools
+    figlet
+  ];
+  shellHook = ''
+    # install templ if not already installed
+    command -v templ > /dev/null || go install github.com/a-h/templ/cmd/templ@latest
+  '';
+}