You can specifiy the host and any extra parameters
Updating the readme to reflect the added feature
Extra features

- The ability to retrieve the redis client emitter instance to be used
as a redis client to conserve resources.
- The ability to specifiy a default channel in the library constructor,
with the ability to override that per method.
Revert "Extra features"

This reverts commit 687cc4db72d03da3d39575bad7499d1ab0f79e66.
Remove extraParameters & adding a method to return the emitter object.
default options object
getRedisClient()
including omarmohamed changes