Nicer readme, and refurbished the documentation

README.md

@@ -1,11 +1,22 @@
 # hellocomputer
 
-Analytics with natural language
+[Hello, computer!](https://youtu.be/hShY6xZWVGE?si=pzJjmc492uLV63z-)
+
+`hellocomputer` is a GenAI-powered web application that allows you to analyze spreadsheets 
+
+![gui](./docs/img/gui_v01.png)
+
+
+## Quick install and run
+
+If you have `uv` installed, just clone the repository and run:
 
 ```
 uv pip install -r requirements.in
 ```
 
+And to get the application up and running...
+
 ```
 uvicorn hellocomputer.main:app --host localhost
 ```