committing changes in /etc made by "apt-get install -y -qq --no-install-recommends docker-ce"

Package changes:
+containerd.io 1.4.4-1 armhf
+docker-ce 5:20.10.5~3-0~raspbian-buster armhf
+docker-ce-cli 5:20.10.5~3-0~raspbian-buster armhf

containerd/config.toml

@@ -0,0 +1,31 @@
+#   Copyright 2018-2020 Docker Inc.
+
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+
+#       http://www.apache.org/licenses/LICENSE-2.0
+
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+disabled_plugins = ["cri"]
+
+#root = "/var/lib/containerd"
+#state = "/run/containerd"
+#subreaper = true
+#oom_score = 0
+
+#[grpc]
+#  address = "/run/containerd/containerd.sock"
+#  uid = 0
+#  gid = 0
+
+#[debug]
+#  address = "/run/containerd/debug.sock"
+#  uid = 0
+#  gid = 0
+#  level = "info"