Add bdwgc mailing list online archive link to README

* README.md (Feedback, Contribution, Questions and Notifications):
Update information about accessing the mailing list archive (add link
to that at Narkive site).

diff --git a/README.md b/README.md
index 7ed7cf8..a3978eb 100644 (file)
--- a/README.md
+++ b/README.md
@@ -79,8 +79,11 @@ If you need help, use
 [Stack Overflow](https://stackoverflow.com/questions/tagged/atomic-ops).
 Older questions on the site can be found by
 [this query](https://stackoverflow.com/search?q=atomic_ops).
-Older technical discussions are also available in
-[bdwgc mailing list archive](https://github.com/ivmai/bdwgc/files/1038163/bdwgc-mailing-list-archive-2017_04.tar.gz).
+Older technical discussions are also available in `bdwgc` mailing list
+archive - it can be downloaded as a
+[compressed file](https://github.com/ivmai/bdwgc/files/1038163/bdwgc-mailing-list-archive-2017_04.tar.gz)
+or browsed at [Narkive](http://bdwgc.opendylan.narkive.com) (please search
+for _atomic_ keyword).
 
 To get new release announcements, subscribe to
 [RSS feed](https://github.com/ivmai/libatomic_ops/releases.atom).