docs (README.md): add ascii art

Added ASCII art header and updated project description.

Author: pythoninthegrass

README.md

@@ -1,5 +1,16 @@
 # LunchJS
 
+<div align="center">
+<pre>
+██╗     ██╗   ██╗███╗   ██╗ ██████╗██╗  ██╗
+██║     ██║   ██║████╗  ██║██╔════╝██║  ██║
+██║     ██║   ██║██╔██╗ ██║██║     ███████║
+██║     ██║   ██║██║╚██╗██║██║     ██╔══██║
+███████╗╚██████╔╝██║ ╚████║╚██████╗██║  ██║
+╚══════╝ ╚═════╝ ╚═╝  ╚═══╝ ╚═════╝╚═╝  ╚═╝
+</pre>
+</div>
+
 Cross-platform restaurant selector app built with Tauri + Alpine.js.
 
 Hats off to the OG Python version by [@zookinheimer](https://github.com/zookinheimer/lunch) 🎩