Updating web app

Adding ability to pass in environment variables to override ConnectionStrings and AppSettings values.  Mostly used for when it's running in Docker.

src/Web/Program.cs

@@ -39,7 +39,7 @@ builder.Services.AddIdentity<ApplicationUser, IdentityRole>()
                            .AddDefaultTokenProviders();
 
 builder.Services.AddScoped<ITokenClaimsService, IdentityTokenClaimService>();
-
+builder.Configuration.AddEnvironmentVariables();
 builder.Services.AddCoreServices(builder.Configuration);
 builder.Services.AddWebServices(builder.Configuration);