refactor

modules/home/tools/ssh/default.nix

@@ -0,0 +1,20 @@
+{ lib, config, pkgs, ... }:
+
+let
+  inherit (lib) types mkEnableOption mkIf;
+  cfg = config.plusultra.tools.ssh;
+in
+{
+  options.plusultra.tools.ssh = {
+    enable = mkEnableOption "SSH";
+  };
+
+  config = mkIf cfg.enable {
+    programs.ssh = {
+      extraConfig = ''
+        Host *
+          HostKeyAlgorithms +ssh-rsa
+      '';
+    };
+  };
+}