Add support for a CUSTODIAN_GZIPPED_OUTPUT setting

Closes #1268.

Author: Andrew-S-Rosen

src/atomate2/settings.py

@@ -44,6 +44,10 @@ class Atomate2Settings(BaseSettings):
     CUSTODIAN_SCRATCH_DIR: Optional[str] = Field(
         None, description="Path to scratch directory used by custodian."
     )
+    CUSTODIAN_GZIPPED_OUTPUT: bool = Field(
+        False,
+        description="Whether Custodian should gzip the files. This parameter "
+        "may make sense to use if you are setting CUSTODIAN_SCRATCH_DIR"
 
     # VASP specific settings
     VASP_CMD: str = Field(