[PM-5731] feat: implement get assertion params object

src/Core/Services/Fido2AuthenticatorService.cs

@@ -0,0 +1,18 @@
+using Bit.Core.Abstractions;
+using Bit.Core.Utilities.Fido2;
+
+namespace Bit.Core.Services
+{
+    public class Fido2AuthenticatorService : IFido2AuthenticatorService
+    {
+        public Task<Fido2AuthenticatorGetAssertionResult> GetAssertionAsync(Fido2AuthenticatorGetAssertionParams assertionParams)
+        {
+            // TODO: IMPLEMENT this
+            return Task.FromResult(new Fido2AuthenticatorGetAssertionResult
+            {
+                AuthenticatorData = new byte[32],
+                Signature = new byte[8]
+            });
+        }
+    }
+}