Add architecture diagram image to README

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: guidooswaldDB

README.md

@@ -81,6 +81,8 @@ An ultra-modern, interactive REST API explorer for Databricks workspaces. Built
 
 ## Architecture
 
+![Architecture Diagram](assets/Architecture1.png)
+
 ```
 ┌─────────────────────────────────────────────────────────┐
 │                      Browser / User                     │