* SignalR clarify connectionID access options
* Draft: Corrected instruction and links.
* Added mention of in-memory storage option
* Clarified on storage options such as in-memory or permanent
* Moved storage options under singleton service.
* Update aspnetcore/signalr/hubcontext.md
Adding Rick's suggestion.
Co-authored-by: Rick Anderson <3605364+Rick-Anderson@users.noreply.github.com>
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Co-authored-by: Rick Anderson <3605364+Rick-Anderson@users.noreply.github.com>
