Add Repository Overview section to README

Added a new section for Repository Overview detailing the cybersecurity and data intelligence framework.

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

Author: FabianaCampanari

README.md

@@ -119,7 +119,6 @@ PUC‑SP is an institutional partner of [**Bloomberg**]() and hosts a dedicated
 
 ## Table of Contents
 
-- [Course Overview](#course-overview)
 - [Repository Overview](#-repository-overview)
 - [ Strategic Context](#-strategic-context)
 - [Core Areas](#-core-areas)
@@ -140,6 +139,37 @@ PUC‑SP is an institutional partner of [**Bloomberg**]() and hosts a dedicated
 
 <br><br>
 
+## [Repository Overview]()
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+This main hub repository represents a **complete cybersecurity and data intelligence framework**, integrating:
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+-  Cybersecurity and threat detection  
+-  Social engineering and human behavior analysis  
+-  Artificial intelligence and anomaly detection  
+-  APIs, Web Services, and distributed systems  
+-  Real‑world financial and OSINT data  
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+Designed as an **end‑to‑end secure pipeline**, bridging academic knowledge with real‑world applications in the context of the course ***Cybersecurity and Social Engineering**
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