Update readme.md

2017-03-30 19:02:21 -10:00 · 2017-03-30 19:02:21 -10:00 · 89c779ce5a
--- a/keyboard/flanck/pcb/readme.md
+++ b/keyboard/flanck/pcb/readme.md
@ -1,3 +1,5 @@
+[How to order PCBs from gerber files](http://www.40percent.club/2017/03/ordering-pcb.html)
+
 EasyEDA ordering info:

 3.0