chore(readme): fix typo
chore(readme): fix typo

BookingBug/bootstrap,looker/bootstrap,matteopic/bootstrap,Lincoln-xzc/angular-ui-bootstrap,christor/bootstrap,Foxandxss/bootstrap,vfiles/bootstrap,byronigoe/bootstrap,shootermv/bootstrap,angular-ui/bootstrap,292388900/bootstrap,infowrap/bootstrap,BookingBug/bootstrap,Lincoln-xzc/angular-ui-bootstrap,fpipita/bootstrap,caoruiy/bootstrap,Servoy/bootstrap,Kpler/bootstrap,looker/bootstrap,mabi/bootstrap,benhalverson/bootstrap,christor/bootstrap,shiftagent/ui-bootstrap,Kpler/bootstrap,benhalverson/bootstrap,icfantv/bootstrap,angular-ui/bootstrap,icfantv/bootstrap,justin-john/bootstrap-1,vfiles/bootstrap,292388900/bootstrap,benhalverson/bootstrap,Servoy/bootstrap,shiftagent/ui-bootstrap,wesleycho/bootstrap,byronigoe/bootstrap,burlhock/bootstrap,benhalverson/bootstrap,fpipita/bootstrap,deeg/bootstrap,matteopic/bootstrap,shootermv/bootstrap,deeg/bootstrap,connyay/bootstrap,wesleycho/bootstrap,RobJacobs/bootstrap,Foxandxss/bootstrap,connyay/bootstrap,burlhock/bootstrap,infowrap/bootstrap,mabi/bootstrap,RobJacobs/bootstrap,justin-john/bootstrap-1,caoruiy/bootstrap