Add support for TLS-backed connections to Redis (#205)

* Allow TLS for Redis connections

* Tidy up TLS config logic

change Lock to NIOLock (#204)

Update to RediStack Beta 1

fix build issues

Add project board workflow (#198)

Add the ability to customize the encoder and decoder used for moving …

…values between Swift and Redis when using RedisCache. (#197)

Add support for `async`/`await` (#193)

* Add async APIs

* Remove old linux main

Expose method on Redis objects to lease connections (#191)

This fixes #190

Add support for vapor/cache expiration (#188)

Add cache protocol (#179)

* Add cache protocol

* use release vapor version

* fix test ordering

* update to latest master

* add app boot to tests