add lfalcao-isel as a new contributor
add lfalcao-isel as a new contributor

joysjsj/patchwork,juliozm20/patchwork,SarahSexton/patchwork,Frankyx93/patchwork,carufenon/patchwork,colpac64/patchwork,cadazab/patchwork,rkaranam/patchwork