Fix code block on apps documentation (#631)

guilhermebodin · web-flow · commit e277d64ec774 · 2021-11-05T15:05:39.000+01:00
diff --git a/docs/src/apps.md b/docs/src/apps.md
@@ -281,3 +281,4 @@ CodeInfo(
 │          value@_16 = %8
 │   %10  = Base.repr(%8)
 ...
+```
