moved telegraf config for docker to docker role

roles/docker/files/telegraf.d/input_docker.conf

@@ -0,0 +1,14 @@
+[[inputs.docker]]
+  endpoint = "unix:///var/run/docker.sock"
+  gather_services = true
+  container_names = []
+  source_tag = false
+  container_name_include = []
+  container_name_exclude = []
+  timeout = "5s"
+  perdevice = false
+  perdevice_include = ["cpu", "blkio", "network"]
+  total = false
+  total_include = ["cpu", "blkio", "network"]
+  docker_label_include = []
+  docker_label_exclude = []