add refresher delays episode

config.yaml

@@ -59,8 +59,8 @@ contact: '[email protected]'
 
 # Order of episodes in your lesson
 episodes:
-# - template.Rmd
-- introduction.Rmd
+#- introduction.Rmd
+- delays-refresher.Rmd
 
 # Information for Learners
 learners:
@@ -76,6 +76,6 @@ profiles:
 # This space below is where custom yaml items (e.g. pinning
 # sandpaper and varnish versions) should live
 
+
 varnish: epiverse-trace/varnish@epiversetheme
-# this is carpentries/sandpaper#533 in our fork so we can keep it up to date with main
 sandpaper: epiverse-trace/sandpaper@patch-renv-github-bug