Add policy submodule

Adding the policy/engine submodule.

Change-Id: I529b3adc3c3448613d01108801c1449d6fe524ab
Issue-ID: POLICY-190
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
diff --git a/.gitmodules b/.gitmodules
index 761a85a..bfb8014 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -48,3 +48,9 @@
 	url = ../aaf/authz
         branch = .
         ignore = dirty
+[submodule "docs/submodules/policy/engine.git"]
+	path = docs/submodules/policy/engine.git
+	url = ../policy/engine
+        branch = .
+        ignore = dirty
+        
diff --git a/docs/release/repolist.rst b/docs/release/repolist.rst
index ff4a732..a41d69f 100644
--- a/docs/release/repolist.rst
+++ b/docs/release/repolist.rst
@@ -23,3 +23,4 @@
    Optimization Framework: Homing and Allocation <../submodules/optf/has.git/docs/index>
    dcaegen2 <../submodules/dcaegen2.git/docs/index>
    aaf/authz <../submodules/aaf/authz.git/docs/index>
+   policy/engine <../submodules/policy/engine.git/docs/index>
diff --git a/docs/submodules/policy/engine.git b/docs/submodules/policy/engine.git
new file mode 160000
index 0000000..bdbaad6
--- /dev/null
+++ b/docs/submodules/policy/engine.git
@@ -0,0 +1 @@
+Subproject commit bdbaad66f2a42d4ef9f58a9d7cf3747afb61407a