* SignalR: Add table to help identify version
Adds a section to the ASP.NET Core SignalR Differences document to help identify the version you are using. This can be a helpful resource when customers aren't sure which version is which.
* remove extra :
* pr feedback and api links
* what even is '/'?
* relative api urls
* I think I commaed right
* Remove en-us
Scott Addie
Andrew Stanton-Nurse
Luke Latham
Rachel Appel