Add a .Net Core DistributedCache

[hazzik]

Add a distributed cache implementation.

[fredericDelaporte]

Yes, that was my intend, after having finished with the memory one. I have yet to investigate it, but I hope this could be done as a generic distributed cache, accepting any provider, likely through a setting.

[fredericDelaporte]

Well, due to this caching system relying solely on Microsoft.Extensions.DependencyInjection for bootstrapping and supplying settings to it, I do not see any solution for handling many different providers than requiring a factory from consumer...

Each IDistributedCache implementation constructor takes its own option class. It does not look any mechanism exists for instanciating an IDistributedCache implementation solely from its class name. (There is no default constructor which would seek its option in hosting application configuration.)