refactor: switch from modules to import arrays

modules/nixos/features/immich.nix

@@ -1,46 +1,37 @@
 {
-  config,
   lib,
   ...
 }:
 let
-  feature = "immich";
   port = "2283";
 in
 {
-  config = lib.mkIf config.${feature}.enable {
-    services = {
-      immich = {
-        enable = true;
-        port = builtins.fromJSON "${port}";
-        mediaLocation = "/srv/immich";
-      };
+  services = {
+    immich = {
+      enable = true;
+      port = lib.toInt "${port}";
+      mediaLocation = "/srv/immich";
+    };
 
-      # database backup
-      borgmatic.settings = {
-        postgresql_databases = [
-          {
-            name = "immich";
-            hostname = "localhost";
-            username = "root";
-            password = "{credential systemd borgmatic-pg}";
-          }
-        ];
-      };
+    borgmatic.settings.postgresql_databases = [
+      {
+        name = "immich";
+        hostname = "localhost";
+        username = "root";
+        password = "{credential systemd borgmatic-pg}";
+      }
+    ];
 
-      nginx = {
-        clientMaxBodySize = "50000M";
-        virtualHosts."${feature}.fi33.buzz" = {
-          forceSSL = true;
-          useACMEHost = "fi33.buzz";
-          locations."/" = {
-            proxyPass = "http://[::1]:${port}";
-            proxyWebsockets = true;
-          };
+    nginx = {
+      clientMaxBodySize = "50000M";
+      virtualHosts."immich.fi33.buzz" = {
+        forceSSL = true;
+        useACMEHost = "fi33.buzz";
+        locations."/" = {
+          proxyPass = "http://[::1]:${port}";
+          proxyWebsockets = true;
         };
       };
     };
   };
-
-  options.${feature}.enable = lib.mkEnableOption "enables ${feature}";
 }