Update README.md with installation instructions and screenshots

Author: nodeblox

README.md

@@ -2,6 +2,13 @@
 
 A dynamic Lively Wallpaper that responds to music playback with audio visualization and album cover color extraction.
 
+![screenshot](https://fs.nodeblox.de/github/lively-minimalistic/Screenshot_2026-01-24_003319.png)
+![screenshot](https://fs.nodeblox.de/github/lively-minimalistic/Screenshot_2026-01-24_004056.png)
+
+## How to install
+
+**_→ Download this repository as .zip and drag it onto your lively wallpaper window._**
+
 ## Features
 
 ### 🎵 Audio Visualizer