chore: add migration guide link to homepage
chore: add migration guide link to homepage

Closes #5037

christor/bootstrap,wesleycho/bootstrap,infowrap/bootstrap,looker/bootstrap,deeg/bootstrap,fpipita/bootstrap,mabi/bootstrap,BookingBug/bootstrap,292388900/bootstrap,vfiles/bootstrap,292388900/bootstrap,Kpler/bootstrap,fpipita/bootstrap,icfantv/bootstrap,Foxandxss/bootstrap,angular-ui/bootstrap,benhalverson/bootstrap,burlhock/bootstrap,vfiles/bootstrap,shiftagent/ui-bootstrap,mabi/bootstrap,Kpler/bootstrap,benhalverson/bootstrap,byronigoe/bootstrap,caoruiy/bootstrap,shootermv/bootstrap,shiftagent/ui-bootstrap,benhalverson/bootstrap,Foxandxss/bootstrap,looker/bootstrap,benhalverson/bootstrap,BookingBug/bootstrap,Servoy/bootstrap,connyay/bootstrap,wesleycho/bootstrap,infowrap/bootstrap,byronigoe/bootstrap,deeg/bootstrap,RobJacobs/bootstrap,burlhock/bootstrap,caoruiy/bootstrap,angular-ui/bootstrap,Servoy/bootstrap,shootermv/bootstrap,RobJacobs/bootstrap,christor/bootstrap,connyay/bootstrap,icfantv/bootstrap