[#51]: updated documentation

Author: LorenzoTettamanti

Doc/docs/about/about.md

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-# This is the about section
+Cortexflow is an open source community founded in August 2024 by Lorenzo Tettamanti and Lorenzo Bradanini

Doc/docs/architecture.gif

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-# This is the main index
+**CortexBrain** is an ambitious open source project aimed at creating an intelligent, lightweight, and efficient architecture to seamlessly connect cloud and edge devices.  
+The current development efforts are focused on the following improvements:
+
+- 🔧 **Optimizing the DNS Server:** Enhance dns features for greater network efficiency.  
+- 🌐 **Adding a Custom Proxy:** Provide flexible routing for device communications.  
+- 📊 **Implementing Load Balancing Techniques:** Optimize traffic distribution to improve scalability and performance.  
+- 📡 **Integrating a Container Network Interface (CNI):** Enable advanced container networking for better interoperability.  
+## An introduction to service mesh
+A service mesh is a specialized infrastructure layer embedded within a software application that manages communication between services. It handles critical functions such as traffic routing, security, observability, and resiliency, while shielding individual services from these complexities.
+In modern applications, functionality is often divided into a network of specialized services, each performing a specific task. To fulfill its role, a service may need to request data from multiple other services. However, issues arise when certain services, like the retailer’s inventory database, become overwhelmed with requests. This is where a service mesh proves invaluable—it orchestrates and optimizes communication between services, ensuring all components work seamlessly together.
+## Architecture
+![Architecture](architecture.gif "Cortexflow architecture")

Doc/docs/index.md

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-# This is the user guide section