Fix README style.

README.md

@@ -1,13 +1,16 @@
 # 5G EVE Experiment NSD composer
-A REST API module to compose experiment NSDs. It can also validate blueprints and generate NSDs from them. 
+
+A REST API module to compose experiment NSDs.
+It can also validate blueprints and generate NSDs from them.
 
 ## Install
 
 Docker images are available on [Docker Hub](https://hub.docker.com/r/mpergolesi/exp-nsd-composer).
+Check the latest tag (version) available.
 Run the application with:
 
 ```shell script
-docker run -p 8086:8086 -d mpergolesi/exp-nsd-composer:1.0.0
+docker run -p 8086:8086 -d mpergolesi/exp-nsd-composer:<latest-tag>
 ```
 
 Wait for the application to start, then test it with:
@@ -29,13 +32,13 @@ Some dependencies are not available in Maven repository. Check `pom.xml`.
 
 Compile the project with:
 
-```
+```shell script
 mvn clean package
 ```
 
 Build the Docker image with:
 
-```
+```shell script
 docker build --no-cache=true --build-arg BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ') \
     --build-arg BUILD_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout) \
     -t <your-repo>/exp-nsd-composer:$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout) .
@@ -47,7 +50,8 @@ Debug log often provides network topology export into graphviz format.
 Running tests will produce output examples.
 
 Copy the output to a text file called 'example.txt' and create a PNG with
-```
+
+```shell script
 circo -Tpng example.txt -o example.png
 ```