Add --base-tokens to write base/tokens.xml in conllu2korapxml

Change-Id: I66abe3117dd8e2f17aa883720cc936f4dd05de84
diff --git a/Changes b/Changes
index 284f068..aa7fc08 100644
--- a/Changes
+++ b/Changes
@@ -7,6 +7,8 @@
             - Add --base-text option to generate data.xml with
               reconstructed plain text from 'text' comment lines
               (implemented with AI assistance)
+            - Add --base-tokens option to generate base/tokens.xml
+              (implemented with AI assistance)
 
 0.6.3 2024-06-04
         - Trim filenames to fix double space after filename metadata