Make hyprland + network config system dependent

system/nixinator/default.nix

@@ -27,4 +27,41 @@
     # videoDrivers = [ "nvidia" ]; # NVIDIA
     videoDrivers = ["amdgpu"];
   };
+
+  # TODO: System module for this
+  systemd.network = let
+    eth-interface = "enp0s31f6";
+    wireless-interface = "wlp5s0";
+  in {
+    enable = true;
+
+    # LAN
+    networks."50-ether" = {
+      # name = "enp0s31f6"; # Network interface name?
+      enable = true;
+
+      # See man systemd.link, man systemd.netdev, man systemd.network
+      matchConfig = {
+        # This corresponds to the [MATCH] section
+        Name = eth-interface; # Match ethernet interface
+      };
+
+      # See man systemd.network
+      networkConfig = {
+        # This corresponds to the [NETWORK] section
+        DHCP = "yes";
+
+        # TODO: What does this all do?
+        # IPv6AcceptRA = true;
+        # MulticastDNS = "yes"; # Needed?
+        # LLMNR = "no"; # Needed?
+        # LinkLocalAddressing = "no"; # Needed?
+      };
+
+      linkConfig = {
+        # This corresponds to the [LINK] section
+        # RequiredForOnline = "routable";
+      };
+    };
+  };
 }