correct link for add stylesheets

Author: Larocceau

mkdocs.yml

@@ -148,7 +148,7 @@ nav:
           - Quickly add a database: "v4-recipes/storage/use-litedb.md"
           - Create a data module using SQLProvider SQL Server SSDT: "v4-recipes/storage/use-sqlprovider-ssdt.md"
       - UI:
-          - Add Stylesheet support: "v-4/recipes/ui/add-style.md"
+          - Add Stylesheet support: "v4-recipes/ui/add-style.md"
           - Add FontAwesome support: "v4-recipes/ui/add-fontawesome.md"
           - Add Bulma support: "v4-recipes/ui/add-bulma.md"
           - Use different Bulma Themes: "v4-recipes/ui/use-different-bulma-themes.md"