Add new typing for new gateway events to consumer

lib/nostrum/consumer.ex

@@ -83,6 +83,7 @@ defmodule Nostrum.Consumer do
     MessageReactionRemove,
     MessageReactionRemoveAll,
     MessageReactionRemoveEmoji,
+    PollVoteChange,
     Ready,
     SpeakingUpdate,
     ThreadListSync,
@@ -325,6 +326,17 @@ defmodule Nostrum.Consumer do
   Dispatched when member(s) are added or removed from a thread
   """
   @type thread_members_update :: {:THREAD_MEMBERS_UPDATE, ThreadMembersUpdate.t(), WSState.t()}
+
+  @typedoc """
+  Dispatched when a user adds a vote to a poll.
+  """
+  @type message_poll_vote_add :: {:MESSAGE_POLL_VOTE_ADD, PollVoteChange.t(), WSState.t()}
+
+  @typedoc """
+  Dispatched when a user removes a vote from a poll.
+  """
+  @type message_poll_vote_remove :: {:MESSAGE_POLL_VOTE_REMVE, PollVoteChange.t(), WSState.t()}
+
   @type event ::
           auto_moderation_rule_create
           | auto_moderation_rule_delete
@@ -364,6 +376,8 @@ defmodule Nostrum.Consumer do
           | message_reaction_remove
           | message_reaction_remove_all
           | message_ack
+          | message_poll_vote_add
+          | message_poll_vote_remove
           | presence_update
           | ready
           | resumed

lib/nostrum/struct/event/poll_vote_change.ex

@@ -26,6 +26,16 @@ defmodule Nostrum.Struct.Event.PollVoteChange do
   @typedoc "Whether the vote was an add or removal for the option"
   @type type :: :add | :remove
 
+  @typedoc "Event representing a add/removal of a vote from a poll"
+  @type t :: %__MODULE__{
+          user_id: user_id,
+          channel_id: channel_id,
+          message_id: message_id,
+          guild_id: guild_id,
+          answer_id: answer_id,
+          type: type
+        }
+
   @doc false
   def to_struct(map) do
     new =