Corrected API details on AUTH
Corrected API details on AUTH

Corrected API.md to list options.password (instead of options.auth) as the
property which should contain the auth string (requirepass).

luin/ioredis,DynamicYield/ioredis,alsotang/ioredis,ColmHally/ioredis,pensierinmusica/ioredis,luin/ioredis,lonely8rain/ioredis,AlphaStaxLLC/ioredis,paskakaska/ioredis,dguo/ioredis,luin/ioredis,suprememoocow/ioredis,mtlima/ioredis,xuyanxiang/ioredis,albin3/ioredis,AVVS/ioredis,phlip9/ioredis,thorsteinsson/ioredis,DynamicYield/ioredis,nswbmw/ioredis,fracmak/ioredis