Revert "Removes POL code from MON repo"

This reverts commit f315c3bf13c14d6a71c2909b4e4a8632f7df1c2e.
diff --git a/policy_module/README.rst b/policy_module/README.rst
new file mode 100644
index 0000000..5cb2fde
--- /dev/null
+++ b/policy_module/README.rst
@@ -0,0 +1,14 @@
+Install
+------------------------
+    ::
+
+        git clone https://osm.etsi.org/gerrit/osm/MON.git
+        cd MON/policy_module
+        pip install .
+
+Run
+------------------------
+    ::
+
+        osm-policy-agent
+