add 20newsgroups replication
@@ -80,3 +80,5 @@ For reference, the number of docs indexed should be exactly as follows:
For convenience, we also provide pre-built indexes above.
## Replication Log
++ Results replicated by [@stephaniewhoo](http://github.com/stephaniewhoo) on 2020-11-24 (commit [`b7f1f08`](https://github.com/castorini/anserini/commit/b7f1f08689014159c1d5b2c9b9905b363af1cbbf))
+
