Update readme.md

2017-03-31 07:56:31 -10:00 · 2017-03-31 07:56:31 -10:00 · f300327391
Commit f300327391
--- a/keyboard/gherkin_rgb/readme.md
+++ b/keyboard/gherkin_rgb/readme.md
@ -32,3 +32,5 @@ Needed if you want LEDs
    1	FDS6630A or DMN3018SSS-13 SOIC FET
    1	100ohm resistor
    1	100Kilo ohm resistor
+
+[How to order your own PCBs](http://www.40percent.club/2017/03/ordering-pcb.html)