Rename package to match repo
Motivation:
SE-0226 changes how SPM resolves a dependency graph and as part of the accepted proposal was to require package names to match their repo URL segments.
Modifications:
Change package from redis-nio
to swift-redios-nio-client
Result:
The project should compliant with SE-0226: https://github.com/apple/swift-evolution/blob/master/proposals/0226-package-manager-target-based-dep-resolution.md