Readthedoc for so/libs

Change-Id: I250fba3514c3e076f73f844d4659d08dce3f6884
Signed-off-by: Seshu-Kumar-M <seshu.kumar.m@huawei.com>
IssueId: SO-81
diff --git a/.gitmodules b/.gitmodules
index 6a46ad1..c2d7a96 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -328,3 +328,6 @@
 	url = ../so
 	branch = .
 	ignore = dirty
+[submodule "docs/submodules/so/libs.git"]
+	path = docs/submodules/so/libs.git
+	url = ../so/libs