also specify url according to https://pkgdown.r-lib.org/articles/search.html#configuration

lorenzwalthert · lorenzwalthert · commit 8a2cadb22b77 · 2020-03-26T15:11:41.000+01:00
diff --git a/_pkgdown.yml b/_pkgdown.yml
@@ -13,3 +13,5 @@ authors:
 
 development:
   mode: auto
+
+url: https://styler.r-lib.org
