readme update

Author: sblantipodi

README.md

@@ -82,8 +82,8 @@ Effortless setup with minimal configuration required, yet highly customizable to
 
 ## Luciferin Official PCB
 
-<img align="center" width="700" src="https://github.com/sblantipodi/glow_worm_luciferin/blob/master/assets/CAD_schematics/PCB_ESP8266/img/PCB_front.jpg?raw=true">
-<img align="center" width="700" src="https://github.com/sblantipodi/glow_worm_luciferin/blob/master/assets/CAD_schematics/PCB_ESP8266/img/pre_after.jpg?raw=true">
+<a href="https://github.com/sblantipodi/firefly_luciferin/wiki/Ready-to-print-PCB"><img width="700" src="https://github.com/sblantipodi/glow_worm_luciferin/blob/master/assets/CAD_schematics/PCB_ESP8266/img/PCB_front.jpg?raw=true"></a>
+<a href="https://github.com/sblantipodi/firefly_luciferin/wiki/Ready-to-print-PCB"><img width="700" src="https://github.com/sblantipodi/glow_worm_luciferin/blob/master/assets/CAD_schematics/PCB_ESP8266/img/pre_after.jpg?raw=true"></a>
 
 If you don't want to design your own PCB and you have a soldering iron, you might
 find [Luciferin's official PCB](https://github.com/sblantipodi/firefly_luciferin/wiki/Ready-to-print-PCB) interesting.