Link back to zulip section

Author: KodrAus

src/libs/README.md

@@ -5,5 +5,6 @@ This section documents meta processes by the Libs team.
 ## Where to find us
 
 The libs team hangs out primarily in [the rust-lang Zulip](https://rust-lang.zulipchat.com/) these days in the `#t-libs` stream.
+You can find more details about Zulip and how the Rust community uses it [here](../../chat/zulip).
 
 The `#rustc` IRC channel on `irc.mozilla.org` is in a "quasi-deprecated" status and is not recommended.