replaces rpi flake with a maintained one

config/hosts/aspects/servers/rpi5.nix

@@ -3,14 +3,14 @@
   __findFile,
   modules,
   ...
-}:
-{
+}: {
   den.aspects.rpi5 = {
     includes = [
       <modules/raspberry-pi/5>
       # <modules/services/traefik>
       <modules/services/caddy>
       <modules/services/home-assistant>
+      <modules/services/docker-registry>
       <modules/services/ddns>
     ];
     nixos = {
@@ -23,7 +23,7 @@
           443
           8080
         ];
-        allowedUDPPortRanges = [ ];
+        allowedUDPPortRanges = [];
       };
 
       virtualisation.docker.enable = true;