add ssh to raspberry

hosts/raspberry/raspberry.nix

@@ -16,14 +16,16 @@ in {
     users.root
     users.chaos
 
-    (with tree.presets.nixos; [
-      #desktopGui
+    (with tree.profiles.nixos; [
+      sshd
+
+      nixGC
+      serverExtras
     ])
 
     (with presets.home-manager.by-user; [
       root.base
-      chaos.base
-      #chaos.guiDesktop
+      root.minimalServer
     ])
 
     ./hardware.nix
@@ -32,6 +34,8 @@ in {
   networking.firewall = {
     enable = true;
     allowPing = true;
+    checkReversePath = "loose";
+    allowedTCPPorts = [22];
   };
 
   networking.hostName = "raspberry";