[marvin] add immich service

hosts/marvin/default.nix

···
     ./services/git.nix
     ./services/golink.nix
     ./services/grafana.nix
+    ./services/immich.nix
     ./services/jellyfin.nix
     ./services/matrix.nix
     ./services/miniflux.nix

hosts/marvin/services/immich.nix

···
+{ self, config, ... }:
+let
+  d = self.lib.data.services.immich;
+in
+{
+  services = {
+    immich = {
+      inherit (d) port;
+      enable = true;
+      host = "0.0.0.0";
+      redis.enable = true;
+      mediaLocation = "/var/media/photos/";
+      accelerationDevices = [ "/dev/dri/renderD128" ];
+      settings = null;
+    };
+    immich-public-proxy = {
+      enable = true;
+      port = d.pubProxy;
+      immichUrl = "localhost:${toString d.port}";
+      settings.ipp = {
+        downloadedFilename = 1;
+      };
+    };
+  };
+  users.users.immich.extraGroups = [
+    "video"
+    "render"
+  ];
+}