Add CLA to the TOSA project

Acceptance of CLA puts you in the tsoa-contributors
gerrit group.
diff --git a/groups b/groups
index 3dd1464..7821960 100644
--- a/groups
+++ b/groups
@@ -1,6 +1,7 @@
 # UUID                                  	Group Name
 #
 11c0fe2ab9076215c8ff0123f9961da7ee79e9e8	Administrators
+b4db2abda7ad843442a51293fe8991bcbf9c686a	tosa-contributors
 3916526717f19248157bd3eb40f154fbaa380096	arm-power-users
 c9101f9ca1b217e40117e06c48caa8e92e7681ff	Non-Interactive Users
 global:Anonymous-Users                  	Anonymous Users
diff --git a/project.config b/project.config
index 25cc6b6..50bc693 100644
--- a/project.config
+++ b/project.config
@@ -65,3 +65,9 @@
 	value = 0 No score
 	value = +1 Looks good to me, but someone else must approve
 	value = +2 Looks good to me, approved
+[contributor-agreement "TOSA"]
+    description = Contributor license agreement for the TOSA projects.
+    agreementUrl = static/tosa_cla.html
+    autoVerify = group tosa-contributors
+    accepted = group tosa-contributors
+    matchProjects = ^/tosa/.*$