Add fancy 3.4 banner

Author: Kordyjan

blog/_posts/2024-02-29-scala-3.4.0-and-3.3.3-released.md

@@ -4,6 +4,9 @@ post-type: blog
 by: Paweł Marks, VirtusLab
 title: Scala 3.4.0 and 3.3.3 LTS released!
 ---
+
+![Scala 3.4]({{ site.baseurl }}/resources/img/scala-3.4-launch.jpg)
+
 We are thrilled to announce the release of two versions of Scala 3: the first version in the 3.4 minor line, and a patch version in the Long Term Support line.
 
 ## ... so which version should I update to?
@@ -98,7 +101,7 @@ Release notes of [3.4.0](https://github.com/lampepfl/dotty/releases/tag/3.4.0) c
 
   This will improve the user experience when the class file format changes unexpectedly. This feature will be backported to Scala 3.3.3.
 - Progress reporting of compilation is now visible in IDEs. Metals IDE users will notice that compilation progress is no longer frozen at 0% when using sbt or bloop as the BSP server. IntelliJ will also correctly report progress for BSP and sbt based projects.
-- Diagnostics (including unused warnings) are now exported to SemanticDB. That will allow better handling of warnings in tooling. See [#17835](https://github.com/lampepfl/dotty/pull/17835)
+- Diagnostics (including unused warnings) are now exported to SemanticDB. That will allow better handling of warnings in tooling. See [#17835](https://github.com/lampepfl/dotty/pull/17835).
 
 ### Experimental changes