chore(docs): update readme
chore(docs): update readme

r-park/todo-angular-firebase,goekhanak/zalmemo,zalando/zalmemo,r-park/todo-angular2-firebase,r-park/todo-angular-firebase,marasco/startupmanager,r-park/todo-angular2-firebase,goekhanak/zalmemo,marasco/startupmanager,r-park/todo-angular2-firebase,goekhanak/zalmemo,goekhanak/zalmemo,marasco/startupmanager,zalando/zalmemo,r-park/todo-angular-firebase,raphaelcunha/browser-code,zalando/zalmemo,marasco/startupmanager,raphaelcunha/browser-code,zalando/zalmemo