docs: prepare for rebranding [skip ci]

Author: NickChecan

README.md

@@ -1,5 +1,5 @@
 <h1 align="center">
-<img src="assets/zjoule.png" alt="Intro GIF" width="25"/> zJoule - ABAP Copilot
+zJoule - ABAP Copilot
 </h1>
 
 <div align="center">
@@ -13,6 +13,9 @@
 
 </div>
 
+> [!IMPORTANT]
+> :construction: This repository is passing through important changes and during this time, the plugin won't be available. :construction: <br />
+
 **zJoule** is an Open Source AI assistant plugin for Eclipse designed to integrate Generative AI into your development environment.
 
 ## Documentation Content