update flake, add frontend package

flake.nix

@@ -2,24 +2,64 @@
   description = "Dev shell flake for servicepoint-tanks";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-24.05";
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-25.05";
   };
 
   outputs =
     { self, nixpkgs }:
     let
-      lib = nixpkgs.lib;
-      forAllSystems = lib.genAttrs lib.systems.flakeExposed;
+      supported-systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+      ];
+      forAllSystems =
+        f:
+        nixpkgs.lib.genAttrs supported-systems (
+          system:
+          f rec {
+            pkgs = nixpkgs.legacyPackages.${system};
+            lib = nixpkgs.lib;
+            inherit system;
+            selfPkgs = self.packages.${system};
+          }
+        );
     in
     {
-      devShells = forAllSystems (system: {
-        default = import ./shell.nix {
-          inherit nixpkgs;
-          pkgs = nixpkgs.legacyPackages."${system}";
-          lib = nixpkgs.lib;
-        };
-      });
+      devShells = forAllSystems (
+        {
+          pkgs,
+          lib,
+          selfPkgs,
+          ...
+        }:
+        {
+          frontend = pkgs.mkShell {
+            inputsFrom = [ selfPkgs.servicepoint-tanks-frontend ];
+          };
+          default = import ./shell.nix {
+            inherit pkgs lib;
+          };
+        }
+      );
 
-      formatter = forAllSystems (system: nixpkgs.legacyPackages."${system}".nixfmt-rfc-style);
+      packages = forAllSystems (
+        { pkgs, lib, ... }:
+        {
+          servicepoint-tanks-frontend = pkgs.buildNpmPackage (finalAttrs: {
+            pname = "tank-frontend";
+            version = "0.0.0";
+
+            src = ./tank-frontend;
+
+            npmDepsHash = "sha256-HvwoSeKHBDkM/5OHDkgSOxfHx1gbnKif/3QfDb6r5mE=";
+
+            installPhase = ''
+              cp -rv dist/ $out
+            '';
+          });
+        }
+      );
+
+      formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-tree);
     };
 }