Add link to the schema of the Tricium project configuration

Change-Id: Idea0fbb5a3f131f1ee46918d9e7613e9848c2671
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/tricium-dev.cfg b/tricium-dev.cfg
index fe4c858..380a5de 100644
--- a/tricium-dev.cfg
+++ b/tricium-dev.cfg
@@ -1,3 +1,5 @@
+# Schema: https://luci-config.appspot.com/schemas/projects:tricium-dev.cfg
+
 acls {
   role: REQUESTER
   group: "tricium-gerrit-requesters"