Update metadata with huggingface_hub

README.md

@@ -28,6 +28,9 @@ model-index:
     - type: wer
       value: 9.04
       name: WER
+    - type: cer
+      value: 5.61
+      name: CER
   - task:
       type: automatic-speech-recognition
       name: Automatic Speech Recognition