add categorical arrays as extra

FuZhiyu · FuZhiyu · commit 253c27a3e8ea · 2025-05-14T15:37:06.000-05:00
diff --git a/Project.toml b/Project.toml
@@ -43,6 +43,7 @@ julia = "1.6.7"
 
 [extras]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
+CategoricalArrays = "324d7699-5711-5eae-9e2f-1d82baa6b597"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
