packagegroup-containers: Define a package group for the containers software stack

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

meta-oniro-core/recipes-core/packagegroups/packagegroup-containers.bb

+# SPDX-FileCopyrightText: Huawei Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+DESCRIPTION = "Containers package group for Oniro core foundation"
+
+inherit packagegroup
+
+PACKAGES = "packagegroup-oniro-containers"
+
+RDEPENDS:packagegroup-oniro-containers = "\
+	podman \
+	"