add ryanalexmartin prototype in gallery

Author: corrados

doc/gallery.md

@@ -7,3 +7,8 @@
 <br/>[<img src="https://img.youtube.com/vi/YWE1LgwQbbQ/0.jpg" width="500">](https://www.youtube.com/watch?v=YWE1LgwQbbQ)
 
 
+## ryanalexmartin
+
+<br/>![ryanalexmartin Prototype](images/gallery_ryanalexmartin1.jpg)
+
+