docs: Add preface for controller api examples
docs: Add preface for controller api examples

Signed-off-by: Jesse Stuart <a5c95b3d7cb4d0ae05a15c79c79ab458dc2c8f9e@jessestuart.ca>

whouses/flynn,whouses/flynn,josephglanville/flynn,TribeMedia/flynn,GrimDerp/flynn,tonicbupt/flynn,justintung/flynn,Brandywine2161/flynn,felixrieseberg/flynn,TribeMedia/flynn,supermario/flynn,felixrieseberg/flynn,technosophos/flynn,jzila/flynn,felixrieseberg/flynn,Brandywine2161/flynn,flynn/flynn,ozum/flynn,clifff/flynn,GrimDerp/flynn,shads196770/flynn,flynn/flynn,benbjohnson/flynn,rikur/flynn,schatt/flynn,kgrz/flynn,lmars/flynn,TribeMedia/flynn,jzila/flynn,clifff/flynn,GrimDerp/flynn,pkdevbox/flynn,justintung/flynn,schatt/flynn,technosophos/flynn,pkdevbox/flynn,tonicbupt/flynn,flynn/flynn,benbjohnson/flynn,lmars/flynn,whouses/flynn,pkdevbox/flynn,rikur/flynn,supermario/flynn,ozum/flynn,whouses/flynn,lmars/flynn,jzila/flynn,josephglanville/flynn,tonicbupt/flynn,benbjohnson/flynn,rikur/flynn,shads196770/flynn,ozum/flynn,kgrz/flynn,technosophos/flynn,arekkas/flynn,rikur/flynn,schatt/flynn,rikur/flynn,technosophos/flynn,TribeMedia/flynn,benbjohnson/flynn,josephglanville/flynn,lmars/flynn,whouses/flynn,josephglanville/flynn,josephglanville/flynn,schatt/flynn,supermario/flynn,shads196770/flynn,felixrieseberg/flynn,philiplb/flynn,clifff/flynn,TribeMedia/flynn,lmars/flynn,TribeMedia/flynn,philiplb/flynn,pkdevbox/flynn,pkdevbox/flynn,ozum/flynn,tonicbupt/flynn,clifff/flynn,Brandywine2161/flynn,arekkas/flynn,Brandywine2161/flynn,whouses/flynn,Brandywine2161/flynn,shads196770/flynn,philiplb/flynn,josephglanville/flynn,jzila/flynn,kgrz/flynn,philiplb/flynn,felixrieseberg/flynn,shads196770/flynn,flynn/flynn,clifff/flynn,GrimDerp/flynn,justintung/flynn,GrimDerp/flynn,jzila/flynn,supermario/flynn,arekkas/flynn,shads196770/flynn,schatt/flynn,flynn/flynn,justintung/flynn,kgrz/flynn,tonicbupt/flynn,jzila/flynn,justintung/flynn,technosophos/flynn,GrimDerp/flynn,justintung/flynn,kgrz/flynn,rikur/flynn,Brandywine2161/flynn,ozum/flynn,philiplb/flynn,supermario/flynn,benbjohnson/flynn,kgrz/flynn,schatt/flynn,supermario/flynn,pkdevbox/flynn,ozum/flynn,benbjohnson/flynn,arekkas/flynn,arekkas/flynn,clifff/flynn