Update README to include emoji icons for sample apps

Author: elbruno

05-AppCreatedWithGenAI/readme.md

@@ -4,8 +4,8 @@ This lesson features sample .NET applications generated using Generative AI tool
 
 ### What you'll find here
 
-- **Retro Invaders Console App**: The first sample, Retro Invaders, is a console-based space battle game created with Copilot Agent Mode and GPT-4.1. [See details here.](./SpaceAINet/README.md)
-- **Hugging Face MCP Image Generator**: An image generation app leveraging Hugging Face's MCP Server for creating unique visuals. [See details here.](./HuggingFaceMCP/README.md)
+- 👾 **Retro Invaders Console App**: The first sample, Retro Invaders, is a console-based space battle game created with Copilot Agent Mode and GPT-4.1. [See details here.](./SpaceAINet/README.md)
+- 🖼️ **Hugging Face MCP Image Generator**: An image generation app leveraging Hugging Face's MCP Server for creating unique visuals. [See details here.](./HFMCP.GenImage/README.md)
 
 - More sample apps will be added, each showcasing how Generative AI can help build real-world .NET solutions.