doc (example-blog): add a README for the example

frontend/example-blog-tailwind/README.md

@@ -0,0 +1,12 @@
+# Example Blog Tailwing
+
+This is an example blog built with [Tailwind CSS](https://tailwindcss.com/) and [Vite](https://vitejs.dev/).
+The code was generated in part with the help of Anthropic Claude Sonnet 3.5. It's part of an experiment on how generative AI can be used to change the development workflow of web applications.
+
+## Installation
+
+```bash
+npm install
+npm run dev # for development
+npm run build # for production
+```