feat: use iwd instead of wpa-supplicant

configuration.nix

@@ -45,7 +45,13 @@
 
   services.resolved.enable = true;
 
-  networking.networkmanager.enable = true;
+  networking.networkmanager = {
+    enable = true;
+    wifi = {
+      backend = "iwd";
+      powersave = true;
+    };
+  };
 
   services.upower = {
     enable = true;

home-manager/sway/i3status-rust.nix

@@ -14,7 +14,7 @@
             format = " $icon { ($ssid) |}";
             click = [{
               button = "left";
-              cmd = "${pkgs.networkmanagerapplet}/bin/nm-connection-editor";
+              cmd = "${pkgs.iwgtk}/bin/iwgtk";
             }];
           }
           {