Fixed readme typos
Fixed readme typos

tehjord/SwiftyBluetooth,tehjord/SwiftyBluetooth,jordanebelanger/SwiftyBluetooth,SomaticLabs/SwiftyBluetooth,SomaticLabs/SwiftyBluetooth,petroladkin/SwiftyBluetooth,petroladkin/SwiftyBluetooth,jordanebelanger/SwiftyBluetooth