refactor(blob): use object trait to create blob

src/commands/push/new.rs

@@ -68,7 +68,7 @@ impl PushChange for New {
         let lastmodified = prop.lastmodified.unwrap().timestamp_millis();
 
         // create new blob
-        Blob::new(obj.path.clone()).create(&lastmodified.to_string(), false)?;
+        Blob::from_path(obj.path.clone()).create(&lastmodified.to_string(), false)?;
 
         Ok(())
     }