docs: Make it explicit who starts the extension actors
docs: Make it explicit who starts the extension actors

mokieyue/mopidy,jodal/mopidy,SuperStarPL/mopidy,abarisain/mopidy,rawdlite/mopidy,glogiotatidis/mopidy,quartz55/mopidy,hkariti/mopidy,ZenithDK/mopidy,mokieyue/mopidy,mopidy/mopidy,glogiotatidis/mopidy,dbrgn/mopidy,diandiankan/mopidy,jmarsik/mopidy,mokieyue/mopidy,dbrgn/mopidy,rawdlite/mopidy,ZenithDK/mopidy,SuperStarPL/mopidy,glogiotatidis/mopidy,jmarsik/mopidy,jodal/mopidy,ali/mopidy,jcass77/mopidy,diandiankan/mopidy,quartz55/mopidy,bencevans/mopidy,dbrgn/mopidy,diandiankan/mopidy,ali/mopidy,priestd09/mopidy,SuperStarPL/mopidy,swak/mopidy,jcass77/mopidy,woutervanwijk/mopidy,kingosticks/mopidy,ali/mopidy,tkem/mopidy,bacontext/mopidy,adamcik/mopidy,vrs01/mopidy,pacificIT/mopidy,mopidy/mopidy,vrs01/mopidy,pacificIT/mopidy,jmarsik/mopidy,quartz55/mopidy,bacontext/mopidy,pacificIT/mopidy,vrs01/mopidy,abarisain/mopidy,jodal/mopidy,liamw9534/mopidy,vrs01/mopidy,ZenithDK/mopidy,tkem/mopidy,liamw9534/mopidy,bacontext/mopidy,bacontext/mopidy,glogiotatidis/mopidy,hkariti/mopidy,priestd09/mopidy,priestd09/mopidy,hkariti/mopidy,swak/mopidy,kingosticks/mopidy,bencevans/mopidy,adamcik/mopidy,kingosticks/mopidy,woutervanwijk/mopidy,bencevans/mopidy,ZenithDK/mopidy,quartz55/mopidy,hkariti/mopidy,mokieyue/mopidy,SuperStarPL/mopidy,rawdlite/mopidy,jmarsik/mopidy,diandiankan/mopidy,tkem/mopidy,ali/mopidy,tkem/mopidy,pacificIT/mopidy,mopidy/mopidy,dbrgn/mopidy,bencevans/mopidy,swak/mopidy,swak/mopidy,rawdlite/mopidy,adamcik/mopidy,jcass77/mopidy