Fix front matter

behrends · behrends · commit d225c600506b · 2023-11-28T19:30:28.000+01:00
diff --git a/1-js/05-data-types/07-map-set/01-array-unique-map/task.md b/1-js/05-data-types/07-map-set/01-array-unique-map/task.md
@@ -1,3 +1,7 @@
+importance: 5
+
+---
+
 # Filtere eindeutige Array-Elemente
 
 Lass `arr` ein Array sein.
