Add picture of trapped chest

3 changed files with 1 additions and 0 deletions
--- a/cache-items.png
+++ b/cache-items.png
--- a/docs/cache_items.md
+++ b/docs/cache_items.md
@ -2,5 +2,6 @@

 ## How to Cache Items

+![a single trapped chest with three normal double chests under it](media/cache_items.png)


--- a/docs/media/cache_items.png
+++ b/docs/media/cache_items.png