feat: ralph, waybar, formatted

modules/features/ralph.nix

@@ -0,0 +1,26 @@
+{ self, inputs, ... }:
+{
+  perSystem =
+    {
+      pkgs,
+      lib,
+      self',
+      ...
+    }:
+    {
+      packages.ralph = pkgs.rustPlatform.buildRustPackage rec {
+        pname = "ralph-cli";
+        version = "2.5.1";
+
+        src = pkgs.fetchFromGitHub {
+          owner = "mikeyobrien";
+          repo = "ralph-orchestrator";
+          rev = "v${version}";
+          sha256 = "sha256-K3/nTun6mwFwYagKtQDlKsnTpoAMRy62x5TtfRMRjQc=";
+        };
+
+        cargoHash = "sha256-BuCM2CAXRR8GqUyFvgpAECVXdeafzuViiX8EtzbHGoY=";
+        doCheck = false;
+      };
+    };
+}