make "s" (Settings) a global template function so we don't have to pass it around everywhere.

render_robots.go

@@ -8,9 +8,7 @@ func renderRobots(w http.ResponseWriter, r *http.Request) {
 	typ := "robots"
 	w.Header().Set("Cache-Control", "max-age=3600")
 
-	params := map[string]any{
-		"s": s,
-	}
+	params := map[string]any{}
 
 	if err := tmpl.ExecuteTemplate(w, templateMapping[typ], params); err != nil {
 		log.Error().Err(err).Msg("error rendering")