Create initial document respository for AAF

Issue-id: AAF-64
Change-Id: Ie3fea6ef59877a46ce3b90866bbafe3ee55b13c7
Signed-off-by: sg481n <sg481n@att.com>
diff --git a/.gitmodules b/.gitmodules
index 756acae..b644d26 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -43,3 +43,8 @@
 	url = ../dcaegen2
         branch = .
         ignore = dirty
+[submodule "docs/submodules/aaf/authz.git"]
+	path = docs/submodules/aaf/authz.git
+	url = ./aaf/authz
+        branch = .
+        ignore = dirty