manatee: Add host manatee

hosts/manatee/modules/network/default.nix

@@ -0,0 +1,22 @@
+{ ... }:
+{
+  networking = {
+    hostName = "manatee";
+
+    defaultGateway = "192.168.50.1";
+    nameservers = [ "1.1.1.1" ];
+    interfaces = {
+      enp3s0 = {
+        useDHCP = false;
+        ipv4 = {
+          addresses = [
+            {
+              address = "192.168.50.203";
+              prefixLength = 24;
+            }
+          ];
+        };
+      };
+    };
+  };
+}