controller: Add controller client documentation.
controller: Add controller client documentation.

Signed-off-by: Blaž Hrastnik <e26a9cc74a1e4715764aa09d1071b1ef182b1807@gmail.com>

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