SO readthedoc to review

Change-Id: Ic712871ebd04c96fb0cf02e0d103a5275bbd0a02
Signed-off-by: Seshu-Kumar-M <seshu.kumar.m@huawei.com>
IssueId:SO-81
diff --git a/.gitmodules b/.gitmodules
index 1b6a6bb..6a46ad1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -323,3 +323,8 @@
 	url = ../usecase-ui
 	branch = .
 	ignore = dirty
+[submodule "docs/submodules/so.git"]
+	path = docs/submodules/so.git
+	url = ../so
+	branch = .
+	ignore = dirty