add silent option in core.Meter.log()

Author: Oxer11

torchdrug/core/meter.py

@@ -39,6 +39,9 @@ def log(self, record, category="train/batch"):
             category (str, optional): log category.
                 Available types are ``train/batch``, ``train/epoch``, ``valid/epoch`` and ``test/epoch``.
         """
+        if self.silent:
+            return
+            
         if category.endswith("batch"):
             step_id = self.batch_id
         elif category.endswith("epoch"):