Fix the broken links for iOS Reference Docs
Fix the broken links for iOS Reference Docs

Turns out the link is case sensitive, so changed part of the link from "ios" to "iOS"
Azure/azure-mobile-services,shrishrirang/azure-mobile-services,pragnagopa/azure-mobile-services,pragnagopa/azure-mobile-services,paulbatum/azure-mobile-services,fabiocav/azure-mobile-services,fabiocav/azure-mobile-services,paulbatum/azure-mobile-services,dhei/azure-mobile-services,shrishrirang/azure-mobile-services,fabiocav/azure-mobile-services,Azure/azure-mobile-services,shrishrirang/azure-mobile-services,paulbatum/azure-mobile-services,Azure/azure-mobile-services,fabiocav/azure-mobile-services,shrishrirang/azure-mobile-services,Azure/azure-mobile-services,paulbatum/azure-mobile-services,shrishrirang/azure-mobile-services,pragnagopa/azure-mobile-services,pragnagopa/azure-mobile-services,shrishrirang/azure-mobile-services,Azure/azure-mobile-services,paulbatum/azure-mobile-services,fabiocav/azure-mobile-services,dhei/azure-mobile-services,pragnagopa/azure-mobile-services,dhei/azure-mobile-services,dhei/azure-mobile-services,fabiocav/azure-mobile-services,paulbatum/azure-mobile-services,dhei/azure-mobile-services,Azure/azure-mobile-services,pragnagopa/azure-mobile-services