improve readme.md, rehost image at imgur

keyboards/handwired/replicazeron/readme.md

@@ -5,11 +5,11 @@ This is a config to run a 3dprinted keyboard controller with qmk based on this p
 
 https://sites.google.com/view/alvaro-rosati/azeron-keypad-diy-tutorial
 
-Some additional and redesigned files (i.e. for the OLED-display) can be found here:
+Some additional and redesigned files (i.e. for the OLED-display) can be found in [this repo](https://github.com/9R/replicazeron).
 
-https://github.com/9R/replicazeron
+![Replicazeron](https://i.imgur.com/WTys4SM.jpg)
 
-![Replicazeron](https://github.com/9R/replicazeron/blob/main/images/replicazeron.JPG?raw=true)
+[Gallery](https://imgur.com/a/2qlEPVl)
 
 ## Features