Put a link back to the index in every page footer

Signed-off-by: Shawn O. Pearce <sop@google.com>

Documentation/cmd-ls-projects.txt

diff --git a/Documentation/cmd-ls-projects.txt b/Documentation/cmd-ls-projects.txt
index d1a9be6..02c03ae 100644
--- a/Documentation/cmd-ls-projects.txt
+++ b/Documentation/cmd-ls-projects.txt
@@ -49,3 +49,7 @@
 --------
 
 * link:access-control.html[Access Controls]
+
+GERRIT
+------
+Part of link:index.html[Gerrit Code Review]