add missing import in DESCRIPTION

nuest · nuest · commit 0e608d1935ab · 2024-11-13T17:12:47.000+01:00
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -41,7 +41,8 @@ Imports:
     osfr,
     httr,
     zen4R,
-    whisker
+    whisker,
+    pdftools
 Encoding: UTF-8
 LazyData: true
 RoxygenNote: 7.3.2
