fix google signin

Kemkas.Web/Program.cs

@@ -69,6 +69,12 @@ if (app.Environment.IsDevelopment())
 }
 else
 {
+    // Force HTTPS because prod environment is behind unmanaged proxy.
+    app.Use((context, next) =>
+    {
+        context.Request.Scheme = "https";
+        return next(context);
+    });
     // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
     app.UseHsts(); // TODO: check if this should be handled by proxy
 }