Lurgle.Logging adds AWS Cloudwatch support

It's been a while since I've added functionality to Lurgle libraries, but I played around with adding AWS Cloudwatch support to Lurgle.Logging. This affords further opportunities to use Lurgle.Logging as a common logging library with all its 'baked in' benefits. To do this, I leveraged the 'official' AWS.Logger.Serilog sink. Puzzlingly,...