Add swap file and minor cleanup

modules/networking.nix

@@ -9,18 +9,16 @@
   # Set hostname and hostid
   networking = {
     hostName = "panacea";
-    hostId = "";
+    hostId = "a434d9ed230d";
+    wireless = {
+      enable = true;
+    }
   };
 
   # Enable zeroconf
   services.avahi = {
     enable = true;
     nssmdns = true;
-    publish = {
-      enable = true;
-      userServices = true;
-    };
-    reflector = true;
   };
 
   # Wireguard setup