some tweaks to more things

config.toml

@@ -123,6 +123,8 @@ include_content = true
 # become too big to load on the site. Defaults to not being set.
 truncate_content_length = 100
 
+index_format = "elasticlunr_json"
+
 # Optional translation object for the default language
 # Example:
 #     default_language = "fr"