Link to issue pop-os#8 and add a note in the README about protocol ex…

…tensions

README.md

@@ -3,4 +3,9 @@
 ![LICENSE](https://img.shields.io/badge/LICENSE-GPL--3-brightgreen)
 [![Docs](https://img.shields.io/badge/Docs-main-informational)](https://pop-os.github.io/cosmic-protocols/)
 
-Additional wayland protocols and generated rust bindings used by the COSMIC desktop environment.
+Additional wayland protocols and generated rust bindings used by the COSMIC desktop environment.
+
+
+### Please see https://github.com/pop-os/cosmic-protocols/issues/8 for more info:
+
+Cosmic tries to support already-existing Wayland prtocol extensions, such as those made by and for [wlroots](https://gitlab.freedesktop.org/wlroots/wlroots).