pocket-id: add service on trantor

- Add pocket-id service with nginx reverse proxy
- Domain: auth.baduhai.dev
- Uses SQLite database
- Generate encryption key stored in age secrets

data/services.nix

@@ -23,6 +23,12 @@
       host = "trantor";
       public = true;
     }
+    {
+      name = "pocket-id";
+      domain = "auth.baduhai.dev";
+      host = "trantor";
+      public = true;
+    }
     {
       name = "nextcloud";
       domain = "cloud.baduhai.dev";