* Update SignalR JavaScript Client to 3.1
* Full-topic monikers for "< aspnetcore-3.0"
* Full-topic monikers for ">= aspnetcore-3.0" (1 of 2)
* Full-topic monikers for ">= aspnetcore-3.0" (2 of 2)
* dotnet new webapp --no-https
* Cleanup and simplification of templated code/files
* SignalR Hub, CORS, and CDN + snippets
* UI + ES2015
* A few tweaks
* A few more updates
* Update javascript-client.md
Co-authored-by: Rick Anderson <3605364+Rick-Anderson@users.noreply.github.com>