Add support for new auth (#29)

Author: adam-maj

Assets/Thirdweb/Core/Scripts/Wallet.cs

@@ -38,9 +38,9 @@ public Task Disconnect()
         /// <param name="domain">The domain to authenticate to</param>
         public async Task<LoginPayload> Authenticate(string domain)
         {
-            return await Bridge.InvokeRoute<LoginPayload>($"sdk{subSeparator}auth{separator}login", Utils.ToJsonStringArray(domain));
+            return await Bridge.InvokeRoute<LoginPayload>($"auth{subSeparator}login", Utils.ToJsonStringArray(domain));
         }
-
+        
         /// <summary>
         /// Get the balance of the connected wallet
         /// </summary>