holy shit im stupid, a lot of changes.

also added the configuration bc idk how to add only certain files but
whatever

modules/networking/core/default.nix

@@ -3,24 +3,24 @@ let
   cfg = config.homelab.networking.core;
 in
 {
-  config = {
-    imports = [
-      ./firewall.nix
-    ];
+  imports = [
+    ./firewall.nix
+  ];
 
+  config = {
     networking = {
       networkmanager = {
         enable = true;
         dns = "systemd-resolved";
       };
 
-      networking.extraHosts = lib.concatMapStringsSep "\n" (
+      extraHosts = lib.concatMapStringsSep "\n" (
         host: "${host.ip_address} ${host.hostname}"
       ) cfg.extraHosts;
 
       nftables.enable = true;
 
-      nameservers = config.core.nameservers;
+      nameservers = cfg.nameservers;
     };
 
     services.resolved = {