Move all files to stimulus-esbuild/

stimulus-esbuild/flake.nix

@@ -0,0 +1,19 @@
+{
+  description = "An example application that uses Stimulus with esbuild.";
+
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
+  outputs = { nixpkgs, ... }:
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+
+      inherit (pkgs) mkShell;
+    in {
+      devShells.${system}.default = mkShell {
+        buildInputs = with pkgs; [ just nodejs simple-http-server ];
+      };
+
+      formatter.${system} = pkgs.nixfmt;
+    };
+}