docs(): update FAQ
docs(): update FAQ

Included Office UI Fabric bug https://github.com/OfficeDev/Office-UI-Fabric/issues/325 in list of bugs we've found.

[ci skip]

andikrueger/ng-officeuifabric,johnmeilleur/ng-officeuifabric,andikrueger/ng-officeuifabric,andikrueger/ng-officeuifabric,andikrueger/ng-officeuifabric,jjczopek/ng-officeuifabric,ngOfficeUIFabric/ng-officeuifabric,rolandoldengarm/ng-officeuifabric,rolandoldengarm/ng-officeuifabric,s-KaiNet/ng-officeuifabric,andrewconnell/ng-officeuifabric,rolandoldengarm/ng-officeuifabric,rolandoldengarm/ng-officeuifabric,jjczopek/ng-officeuifabric,rolandoldengarm/ng-officeuifabric,johnmeilleur/ng-officeuifabric,andikrueger/ng-officeuifabric,andrewconnell/ng-officeuifabric,jjczopek/ng-officeuifabric,jjczopek/ng-officeuifabric,s-KaiNet/ng-officeuifabric,s-KaiNet/ng-officeuifabric,ngOfficeUIFabric/ng-officeuifabric,johnmeilleur/ng-officeuifabric,ngOfficeUIFabric/ng-officeuifabric,andrewconnell/ng-officeuifabric,andrewconnell/ng-officeuifabric,jjczopek/ng-officeuifabric,ngOfficeUIFabric/ng-officeuifabric,ngOfficeUIFabric/ng-officeuifabric,s-KaiNet/ng-officeuifabric,s-KaiNet/ng-officeuifabric,andrewconnell/ng-officeuifabric