Add new submit requirements for DNS and DNR

Change-Id: I020cdfb06cb935049f3e7b3adb96d799805709dc

project.config

diff --git a/project.config b/project.config
index 14da4ab..dbd5da0 100644
--- a/project.config
+++ b/project.config
@@ -136,3 +136,11 @@
 [notify "gopherbot"]
 	header = to
 	email = gopherbot@pubsubhelper.golang.org
+[submit-requirement "Do-Not-Submit"]
+	description = Changes that have DO NOT SUBMIT in their commit message are not submittable.
+	applicableIf = message:\"^.*(D|d)(O|o) (N|n)(O|o)(T|t) (S|s)(U|u)(B|b)(M|m)(I|i)(T|t).*\"
+	submittableIf = is:false
+[submit-requirement "Do-Not-Review"]
+	description = Changes that have DO NOT REVIEW in their commit message are not submittable.
+	applicableIf = message:\"^.*(D|d)(O|o) (N|n)(O|o)(T|t) (R|r)(E|e)(V|v)(I|i)(E|e)(W|w).*\"
+	submittableIf = is:false