Add ansible and playbook to trigger upgrade

flake.nix

@@ -32,6 +32,14 @@
           config.allowUnfree = true;
         };
       };
+      allSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+      forAllSystems =
+        f: nixpkgs.lib.genAttrs allSystems (system: f { pkgs = import nixpkgs { inherit system; }; });
     in
     {
       nixosConfigurations = {
@@ -297,5 +305,16 @@
           ];
         };
       };
+      devShells = forAllSystems (
+        { pkgs }:
+        {
+          default = pkgs.mkShell {
+            packages = with pkgs; [
+              ansible
+              python3
+            ];
+          };
+        }
+      );
     };
 }