feat: nix build enabled

flake.nix

@@ -2,22 +2,30 @@
   description = "learning htmx";
   inputs.nixpkgs.url = "github:nixos/nixpkgs";
   inputs.flake-utils.url = "github:numtide/flake-utils";
+  # add this line
+  inputs.sbt-derivation.url = "github:zaninime/sbt-derivation";
+  # recommended for first style of usage documented below, but not necessary
+  inputs.sbt-derivation.inputs.nixpkgs.follows = "nixpkgs";
 
-  outputs = { self, nixpkgs, flake-utils }:
-    flake-utils.lib.eachDefaultSystem
-      (system:
-        let pkgs = nixpkgs.legacyPackages.${system}; in
-        {
-          devShells.default = pkgs.mkShell {
-            buildInputs = [
-              pkgs.scala-cli
-              pkgs.sbt
-              pkgs.scalafmt
-              pkgs.nodePackages.tailwindcss
-              pkgs.jdk
-            ];
-          };
-        }
-      );
+  outputs = { self, nixpkgs, flake-utils, sbt-derivation }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        price-grid = import ./11-single-price-grid-component/default.nix {
+          inherit pkgs sbt-derivation;
+        };
+      in {
+        devShells.default = pkgs.mkShell {
+          buildInputs = [
+            pkgs.scala-cli
+            pkgs.sbt
+            pkgs.scalafmt
+            pkgs.nodePackages.tailwindcss
+            pkgs.jdk
+          ];
+        };
+        packages.price-grid-app = price-grid.package;
+        nixosModules.price-grid-app = price-grid.module;
+      });
   # see https://serokell.io/blog/practical-nix-flakes
 }