docs: skeleton file for 7.12 release notes

Current just the items that have been removed from Mesa are mentioned
in the release notes.

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
diff --git a/docs/relnotes.html b/docs/relnotes.html
index e1f0c32..7e02172 100644
--- a/docs/relnotes.html
+++ b/docs/relnotes.html
@@ -13,6 +13,7 @@
 </p>
 
 <UL>
+<LI><A HREF="relnotes-7.12.html">7.12 release notes</A>
 <LI><A HREF="relnotes-7.11.html">7.11 release notes</A>
 <LI><A HREF="relnotes-7.10.3.html">7.10.3 release notes</A>
 <LI><A HREF="relnotes-7.10.2.html">7.10.2 release notes</A>