Switch Authentication to asynchronous streaming calls (#16)

* add base grpc service and swap auth service to streaming

* remove Authorize from hub itself

* remove unused usings

* heave files server to net 7, add exception handling in grpc auth stream

Co-authored-by: rootdarkarchon <root.darkarchon@outlook.com>

MareSynchronosServer/MareSynchronosShared/Data/MareDbContext.cs

@@ -1,5 +1,4 @@
 using MareSynchronosShared.Models;
-using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 
 namespace MareSynchronosShared.Data;