Augment the README's primary description with Code Web Chat's value proposition and design philosophy

Author: robertpiosik

README.md

@@ -2,7 +2,7 @@
 
 <a href="https://marketplace.visualstudio.com/items?itemName=robertpiosik.gemini-coder" target="_blank"><img src="https://img.shields.io/badge/Install-VS_Code_Marketplace-blue" alt="Get from Visual Studio Code Marketplace" /></a>
 
-A versatile AI pair programming tool connecting VS Code with free chatbots.
+A versatile AI pair programming tool connecting VS Code with free chatbots. With emphasis put on context management, it delivers accuracy, predictability, speed and cost effectivenes unmatched by IDE or terminal based coding agents. CWC is designed for real-world programming. Saves you money and time.
 
 ✅ **Initializes 15+ chatbots hands-free** \
 ✅ **Intelligently applies chat responses** \