Add integration documentation

Release notes for oparent/cia and integration/benchmarks
User Guides for verified use cases

Change-Id: If1c017dcfd5a2f30bbdf43e7e5cb6e34ff5952b6
Issue-ID: INT-245
Signed-off-by: Rich Bennett <rb2745@att.com>
(cherry picked from commit 9b49d1c56cdaf56fc7cf47064cd7f8e99a668486)
diff --git a/.gitmodules b/.gitmodules
index 8bed238..89b53d4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -363,3 +363,13 @@
 	url = ../logging-analytics/pomba/pomba-audit-common
 	branch = .
 	ignore = dirty
+[submodule "docs/submodules/integration/benchmark.git"]
+	path = docs/submodules/integration/benchmark.git
+	url = ../integration/benchmark
+	branch = .
+	ignore = dirty
+[submodule "docs/submodules/oparent/cia.git"]
+	path = docs/submodules/oparent/cia.git
+	url = ../oparent/cia
+	branch = .
+	ignore = dirty