Update README.md

Author: xavierarpa

README.md

@@ -34,8 +34,13 @@ Created by Xavier Arpa ([kingdox](https://github.com/kingdox/))
 
 Soon
 
+<details>
+ <summary><b>Architecture</b></summary>
+ 
 ![Architecture](https://github.com/kingdox/UniFlux/blob/main/Contents/Architecture.drawio.png)
 
+</details>
+
 ## Modules
 <details>
  <summary><b>Modules</b></summary>