rename page to serverless overview

Author: thomas-tacquet

pages/serverless-containers/reference-content/serverless-handbook.mdx renamed to pages/serverless-containers/reference-content/serverless-overview.mdx

@@ -1,9 +1,9 @@
 ---
 meta:
-  title: Serverless ecosystem handbook
+  title: Serverless overview
   description: Understand the concepts and benefits of Serverless computing on Scaleway.
 content:
-  h1: Serverless ecosystem handbook
+  h1: Serverless overview
   paragraph: Understand the concepts and benefits of Serverless computing on Scaleway.
 tags: containers serverless
 dates: