feat: configure networking and ssh on server

nixos/server/default.nix

@@ -14,10 +14,42 @@
       initialPassword = "leonhard";
       isNormalUser = true;
       extraGroups = [ "wheel" ];
+      openssh.authorizedKeys.keys = [
+        "ssh-rsa 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 leonhard"
+      ];
     };
   };
 
-  networking.hostName = "server";
+  networking = {
+    hostName = "server";
+    interfaces.eno1 = {
+      ipv4.addresses = [
+        {
+          address = "192.168.178.210";
+          prefixLength = 24;
+        }
+      ];
+    };
+    defaultGateway = {
+      address = "192.168.178.1";
+      interface = "eno1";
+    };
+    nameservers = [
+      "1.1.1.1"
+      "8.8.8.8"
+    ];
+  };
+
+  services.openssh = {
+    enable = true;
+    ports = [ 5432 ];
+    settings = {
+      PasswordAuthentication = false;
+      KbdInteractiveAuthentication = false;
+      PermitRootLogin = "no";
+      AllowUsers = [ "leonhard" ];
+    };
+  };
 
   kekleo.graphical = false;
 }