Add 3.0.0-SNAPSHOT info

Author: FDelporte

content/_index.md

@@ -5,7 +5,7 @@ title: Welcome to Pi4J
 ## Welcome to Pi4J
 
 {{% notice warning %}}
-Pi4J is moving to Java version 21! Please [read this blog post for more info](/blog/2025/20250205-welcome-java-21/). 3.0.0-SNAPSHOT of Pi4J is already available for testing from the Maven Repository if you enable snapshots in your pom-file.
+**Pi4J is moving to Java version 21!** Please [read this blog post for more info](/blog/2025/20250205-welcome-java-21/). 3.0.0-SNAPSHOT of Pi4J is already available for testing from the Maven Repository if you enable snapshots in your pom-file.
 {{% /notice %}}
 
 **Latest release: V2.8.0 (2025-01-28, see [Release Notes](/about/release-notes/)).**