Add example for using MiniMQTT with User-Provided Certificate/Key#9

Merged

ladyada merged 2 commits intoadafruit:masterfrom

brentru:cert-example

Oct 8, 2019

Commits on Oct 8, 2019

add example for connecting to broker using a client identifier and optional certificate
brentru
committed
fix, move cert. example
brentru
committed