feat: renamed computers to hosts

hosts/shared/emacs.nix

@@ -0,0 +1,19 @@
+{
+  config,
+  pkgs,
+  lib,
+  inputs,
+  ...
+}: let
+  cfg = config.alqueva.emacs;
+in {
+  options.alqueva.emacs = {
+    enable = lib.mkEnableOption "Emacs";
+  };
+  config = lib.mkIf cfg.enable {
+    environment = {
+      systemPackages = [inputs.pankomacs.packages.${pkgs.system}.pankomacs];
+      sessionVariables."EDITOR" = lib.mkDefault "emacs";
+    };
+  };
+}