[DOC-57 Add vnfrqts/guidelines submodule]

Change-Id: I483f12449de27a00421289438c73baa38e0fa1af
Signed-off-by: Rich Bennett <rb2745@att.com>
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..90b5cb5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "docs/submodules/vnfrqts/guidelines"]
+	path = docs/submodules/vnfrqts/guidelines
+	url = ../vnfrqts/guidelines