Modularize flake outputs

flake/devShells.nix

@@ -0,0 +1,14 @@
+{ ... }:
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      devShells.sops = pkgs.mkShell {
+        packages = [
+          pkgs.sops
+          pkgs.age
+          pkgs.ssh-to-age
+        ];
+      };
+    };
+}

flake/formatter.nix

@@ -0,0 +1,13 @@
+{ inputs, ... }:
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      formatter =
+        (inputs.treefmt-nix.lib.evalModule pkgs {
+          projectRootFile = "flake.nix";
+          programs.nixfmt.enable = true;
+          programs.prettier.enable = true;
+        }).config.build.wrapper;
+    };
+}

flake/nixosConfigurations.nix

@@ -0,0 +1,30 @@
+{
+  nixpkgs,
+  self,
+  inputs,
+  ...
+}:
+{
+  flake = {
+    nixosConfigurations = {
+      north = inputs.nixpkgs.lib.nixosSystem {
+        specialArgs = {
+          inherit self inputs;
+        };
+        modules = [
+          "${self}/hosts/north"
+          "${self}/users/seb/@north"
+        ];
+      };
+      inspiron = inputs.nixpkgs.lib.nixosSystem {
+        specialArgs = {
+          inherit self inputs;
+        };
+        modules = [
+          "${self}/hosts/inspiron"
+          "${self}/users/seb/@inspiron"
+        ];
+      };
+    };
+  };
+}