docs: Update outdated Effect URL

apps/web/pages/docs/quickstart.mdx

@@ -14,7 +14,7 @@ First, we define a database schema: tables, columns, and their types.
   Evolu uses
   [Schema](https://github.com/Effect-TS/effect/blob/main/packages/schema) for
   data modeling. Instead of plain JavaScript types like String or Number, we
-  recommend [branded types](https://www.effect.website/docs/style/brands). With
+  recommend [branded types](https://effect.website/docs/guides/style/branded-types). With
   branded types, we can define and enforce domain rules like
   `NonEmptyString1000` or `PositiveInt`.
 </Callout>