Todo: Draft ICRC-77 event replay extention

ICRC-77 Event Message Replay Interface

```

type MessageRequest {
  namespace: Text;
  range: (nat, ?nat);
  filter: ?Text;
  skip: ?Text;
};

type MessageFulfillmentId = nat;

icrc77_request_messages(vec MessageRequest) ->  vec[MessageFulfillmentId];
icrc77_cancel_messages_request(vec MessageFulfillmentId) ->  vec[MessageFulfillmentId];

```