v4 fluentlite, bug fix on readme template (#855)

fluentgen/src/main/resources/Readme.txt

@@ -13,13 +13,15 @@ Azure Resource Manager {{service-name}} client library for Java.
 
 ### Adding the package to your product
 
+[//]: # ({x-version-update-start;{{group-id}}:{{artifact-id}};current})
 ```xml
 <dependency>
     <groupId>{{group-id}}</groupId>
     <artifactId>{{artifact-id}}</artifactId>
     <version>{{artifact-version}}</version>
 </dependency>
 ```
+[//]: # ({x-version-update-end})
 
 ### Include the recommended packages
 
@@ -39,7 +41,6 @@ In addition, Azure subscription ID can be configured via environment variable `A
 
 With above configuration, `azure` client can be authenticated by following code:
 
-[//]: # ({x-version-update-start;{{group-id}}:{{artifact-id}};current})
 ```java
 AzureProfile profile = new AzureProfile(AzureEnvironment.AZURE);
 TokenCredential credential = new DefaultAzureCredentialBuilder()
@@ -48,7 +49,6 @@ TokenCredential credential = new DefaultAzureCredentialBuilder()
 {{manager-class}} manager = {{manager-class}}
     .authenticate(credential, profile);
 ```
-[//]: # ({x-version-update-end})
 
 The sample code assumes global Azure. Please change `AzureEnvironment.AZURE` variable if otherwise.