docs: update docs of README.mds.

summary: update command docker compose to docker-compose.

elasticsearch-logstash-kibana/README.md

@@ -1,13 +1,16 @@
 ## Compose sample application
+
 ### Elasticsearch, Logstash, and Kibana (ELK) in single-node
 
 Project structure:
+
 ```
 .
 └── compose.yaml
 ```
 
 [_compose.yaml_](compose.yaml)
+
 ```
 services:
   elasticsearch:
@@ -24,7 +27,7 @@ services:
 ## Deploy with docker compose
 
 ```
-$ docker compose up -d
+$ docker-compose up -d
 Creating network "elasticsearch-logstash-kibana_elastic" with driver "bridge"
 Creating es ... done
 Creating log ... done
@@ -34,6 +37,7 @@ Creating kib ... done
 ## Expected result
 
 Listing containers must show three containers running and the port mapping as below:
+
 ```
 $ docker ps
 CONTAINER ID        IMAGE                 COMMAND                  CREATED             STATUS                    PORTS                                                                                            NAMES
@@ -44,13 +48,14 @@ b448fd3e9b30        kibana:7.8.0          "/usr/local/bin/dumb…"   43 seconds
 
 After the application starts, navigate to below links in your web browser:
 
-* Elasticsearch: [`http://localhost:9200`](http://localhost:9200)
-* Logstash: [`http://localhost:9600`](http://localhost:9600)
-* Kibana: [`http://localhost:5601/api/status`](http://localhost:5601/api/status)
+- Elasticsearch: [`http://localhost:9200`](http://localhost:9200)
+- Logstash: [`http://localhost:9600`](http://localhost:9600)
+- Kibana: [`http://localhost:5601/api/status`](http://localhost:5601/api/status)
 
 Stop and remove the containers
+
 ```
-$ docker compose down
+$ docker-compose down
 ```
 
 ## Attribution