[ FEATURE ] Add new challenges
[ FEATURE ] Add new challenges

hellodanali/Regexcellence,Regexcellence/Regexcellence,lwonsower/Regexcellence,hellodanali/Regexcellence,bbtran/Regexcellence,Regexcellence/Regexcellence,bbtran/Regexcellence,lwonsower/Regexcellence