[Autoscaler] Update YAML example for CoordinatorSenderNodeProvider (#51292)

Signed-off-by: Dongjun Na <[email protected]>

Author: nadongjun

python/ray/autoscaler/local/example-minimal-automatic.yaml

@@ -15,6 +15,7 @@ provider:
 # node. This number should be >= 0.
 # Set to 0 by default.
 min_workers: 0
+
 # The maximum number of worker nodes to add to the Ray cluster in addition to the head node.
 # This takes precedence over min_workers.
 # Required for automatically managed clusters.
@@ -33,3 +34,22 @@ auth:
 # setup_commands:
   # - if [ $(which ray) ]; then pip uninstall ray -y; fi
   # - pip install -U "ray[default] @ https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-3.0.0.dev0-cp37-cp37m-manylinux2014_x86_64.whl"
+
+# Defaults are empty to avoid any surprise changes to on-prem cluster's state.
+# Refer to example yamls for examples of ray installation in setup commands.
+initialization_commands: []
+setup_commands: []
+head_setup_commands: []
+worker_setup_commands: []
+
+available_node_types: {}
+head_node_type: {}
+
+head_start_ray_commands: []
+worker_start_ray_commands: []
+
+file_mounts: {}
+cluster_synced_files: []
+file_mounts_sync_continuously: false
+rsync_exclude: []
+rsync_filter: []