Added missing props `span` and `hasSubtitle` to header interface in index.d.ts. Fix for issue #1824 (span, hasSubtitle - missing from typing (Header))
Added missing props `span` and `hasSubtitle` to header interface in index.d.ts.
Fix for issue #1824 (span, hasSubtitle - missing from typing (Header))

GeekyAnts/NativeBase,GeekyAnts/NativeBase,GeekyAnts/NativeBase,GeekyAnts/NativeBase,GeekyAnts/NativeBase