Update README.md

Signed-off-by: Fabiana  ⚡️ Campanari <113218619+FabianaCampanari@users.noreply.github.com>

Author: FabianaCampanari

README.md

@@ -218,7 +218,7 @@ These core areas align with the official syllabus topics such as [information se
 <br><br>
 
 
-## 🏗️ High‑Level System Architecture
+## [High‑Level System Architecture]()
 
 
 <br>
@@ -242,6 +242,8 @@ flowchart LR
     F --> G["Dashboards, Reports & Applications"]
 ```
 
+<br><br>
+