feat: renamed computers to hosts

hosts/shared/river.nix

@@ -0,0 +1,38 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  cfg = config.alqueva.river;
+in {
+  options.alqueva.river = {
+    enable = lib.mkEnableOption "River";
+  };
+
+  config = lib.mkIf cfg.enable {
+    alqueva.support.wayland = true;
+
+    programs.river = {
+      enable = true;
+      xwayland.enable = false;
+      extraPackages = [
+        pkgs.wbg
+        pkgs.kanshi
+      ];
+    };
+
+    xdg.portal.wlr = {
+      enable = true;
+      settings = {
+        screencast = {
+          output_name = "HDMI-A-1";
+          chooser_type = "simple";
+          chooser_cmd = "${pkgs.slurp}/bin/slurp -f %o -or";
+        };
+      };
+    };
+
+    services.gnome.gnome-keyring.enable = true;
+  };
+}