Enable NightSync GIF capes by default

README.md

@@ -44,8 +44,8 @@ client's `mods/` folder. Client-side only.
 
 ## Configuration
 
-On first launch the mod writes `config/skinsg.json` with an **empty** `baseUrl`. Nothing is
-fetched until you set it.
+On first launch the NightSync build writes `config/skinsg.json` with
+`https://nightsync.xyz` as `baseUrl`. Existing empty configs are migrated automatically.
 
 ```json
 {