Thu, 31 May 2018 13:07:10 +0300Add function example to first_steps example
Surkov Sergey <surkovsv93@gmail.com> [Thu, 31 May 2018 13:07:10 +0300] rev 2170
Add function example to first_steps example

It'll be used in documentation to show how to create function in
Beremiz.