feat(nixos): enable immich ml; bind localhost; add ollama env

nixos/ryu/containers/immich-machine-learning.nix

@@ -2,12 +2,11 @@
   port = 3003;
 in {
   virtualisation.oci-containers = {
-    backend = "docker";
     containers = {
       immich-machine-learning = {
         image = "ghcr.io/immich-app/immich-machine-learning:v${pkgs.immich.version}-cuda";
         ports = [
-          "0.0.0.0:${toString port}:3003"
+          "127.0.0.1:${toString port}:3003"
         ];
         volumes = [
           "model-cache:/cache"
@@ -20,7 +19,4 @@ in {
     nvidia-docker
     nvidia-container-toolkit
   ];
-  # services.caddy.virtualHosts."ml.ryu.darksailor.dev".extraConfig = ''
-  #   reverse_proxy localhost:${toString port}
-  # '';
 }