add ebook edition

Author: insectengine

_data/books.yaml

@@ -1,3 +1,9 @@
+- title: "Quarkus in Action (Free eBook edition)"
+  description: "Build resilient and scalable, cloud-native, enterprise Java applications using the Quarkus framework."
+  publish-date: January 2025
+  authors: Martin Štefanko and Jan Martiška
+  thumbnail: quarkus-in-action.png
+  link: https://developers.redhat.com/e-books/quarkus-action
 - title: "Quarkus in Action"
   description: "Build resilient and scalable, cloud-native, enterprise Java applications using the Quarkus framework."
   publish-date: January 2025