WalT-in-pictures.md

+### Probably the most famous WALT feature, the nice logo when you just type `walt`! ;)
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+![WalT logo displayed on the command line](uploads/052ada4f45ac587102de819fce0b37bf/cmdline-logo.png)
+
 ### A WalT testbed made of 22 rpi 4B boards at Schneider Electric (2024-)
 
 ![WalT-based testbed made of 22 rpi 4B boards at Schneider Electric](uploads/f74519501132c20c6edcd76f20e85d9c/IMG_7449.jpeg)