Update default_packages.py

Author: ingunnjk

stanza/resources/default_packages.py

@@ -638,6 +638,12 @@ def build_default_pretrains(default_treebanks):
     # https://huggingface.co/mideind/IceBERT
     # IceBERT-large is also available:
     # https://huggingface.co/mideind/IceBERT-large
+    # Constituency F1 scores:
+    # No bert (in-order):             84.40%
+    # IceBERT (top-down):             88.66%
+    # IceBERT (finetuning, top-down): 90.38%
+    # IceBERT-large (top-down):       88.80%
+    # IceBERT-large (ft, top-down):   90.29%
     "is": "mideind/IceBERT"
 
     # Indonesian POS experiments: dev set of GSD