add Paulo Faria to AUTHORS
add Paulo Faria to AUTHORS

Signed-off-by: Paulo Faria <11eb512cd79d0e22deca562305c0c089d2a09a3d@gmail.com>

ebfe/libmill,sustrik/libmill,reqshark/libmill,jimjag/mill,ebfe/libmill,sustrik/libmill,ebfe/libmill,reqshark/libmill,jimjag/mill,jimjag/mill,reqshark/libmill,sustrik/libmill