Clarify who the maintainer is

Data/Text.hs

Data/Text/Array.hs

Data/Text/Encoding.hs

Data/Text/Encoding/Error.hs

Data/Text/Foreign.hs

Data/Text/Internal.hs

Data/Text/Internal/Encoding/Fusion.hs

Data/Text/Internal/Encoding/Fusion/Common.hs

Data/Text/Internal/Encoding/Utf16.hs

Data/Text/Internal/Encoding/Utf32.hs

Data/Text/Internal/Encoding/Utf8.hs

Data/Text/Internal/Fusion.hs

Data/Text/Internal/Fusion/Common.hs

Data/Text/Internal/Fusion/Size.hs

Data/Text/Internal/Fusion/Types.hs

Data/Text/Internal/Lazy.hs

Data/Text/Internal/Lazy/Encoding/Fusion.hs

Data/Text/Internal/Lazy/Fusion.hs

Data/Text/Internal/Lazy/Search.hs

Data/Text/Internal/Search.hs