Update image in readme. Compare against rofi icon perf.

Updated images and improved feature descriptions.

Author: Kn4ughty

README.md

@@ -1,10 +1,12 @@
 # Lumin
-<img width="1766" height="766" alt="image" src="https://github.com/user-attachments/assets/83661a1d-7d13-4353-ab56-2f09b49f6ab4" />
+<img width="1720" height="822" alt="image" src="https://github.com/user-attachments/assets/7e519fb7-d067-4505-887e-03c6db3a6899" />
+
 
 [![Tests](https://github.com/Kn4ughty/Lumin/actions/workflows/rust.yml/badge.svg)](https://github.com/Kn4ughty/Lumin/actions/workflows/rust.yml)
 
 # Features and Useage
-- Linux and MacOS app launching with async icon lookup
+- Linux and MacOS app launching with async icon lookup using greenthreads.
+    - Loads all icons in **2 frames** from input, competing launcher [rofi](https://github.com/davatorium/rofi) takes **6**
 - Calculator module with homemade parser 
     - Use `=` prefix and type your equation
 - Async web searching