Initial commit of Gerrit ansible role

Change-Id: Id425e46f9e5eb83ca9d8aad0cd9b8ba491c6433c
diff --git a/templates/default.gerritcodereview.j2 b/templates/default.gerritcodereview.j2
new file mode 100644
index 0000000..61c750e
--- /dev/null
+++ b/templates/default.gerritcodereview.j2
@@ -0,0 +1,7 @@
+{#
+SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+SPDX-License-Identifier: Apache-2.0
+#}
+# /etc/default/gerritcodereview - {{ ansible_managed }}
+GERRIT_SITE={{ gerrit_home_dir }}
+JAVA_OPTIONS='{{ gerrit_java_opts }}'