Updating Carthage.md to reflect the SDKs added in v6.0.0 (#2971)
Updating Carthage.md to reflect the SDKs added in v6.0.0 (#2971)


firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk