Add startup note about migration
Add startup note about migration

dvinc/homebridge,thkl/homebridge,neonightmare/homebridge,dwery/homebridge,travisdoyle/homebridge,domotico/homebridge,nfarina/homebridge-legacy-plugins,nfarina/homebridge,ihexley/homebridge,derekforeman/homebridge,chrisi21/homebridge,DTTerastar/homebridge,ilcato/homebridge,snowdd1/homebridge,EddyK69/homebridge,dotsam/homebridge,nfarina/homebridge,hplato/homebridge,paigetech/homebridge,benjie/homebridge,SphtKr/homebridge,nmelo/homebridge,inonprince/homebridge,patricks/homebridge,felixekman/homebridge,Cosmo/homebridge,bivab/homebridge