Add support for Polls

Co-authored-by: owocado <24418520+owocado@users.noreply.github.com>
Co-authored-by: Josh <8677174+bijij@users.noreply.github.com>
Co-authored-by: Trevor Flahardy <75498301+trevorflahardy@users.noreply.github.com>

discord/abc.py

@@ -92,6 +92,7 @@ if TYPE_CHECKING:
         VoiceChannel,
         StageChannel,
     )
+    from .poll import Poll
     from .threads import Thread
     from .ui.view import View
     from .types.channel import (
@@ -1350,6 +1351,7 @@ class Messageable:
         view: View = ...,
         suppress_embeds: bool = ...,
         silent: bool = ...,
+        poll: Poll = ...,
     ) -> Message:
         ...
 
@@ -1370,6 +1372,7 @@ class Messageable:
         view: View = ...,
         suppress_embeds: bool = ...,
         silent: bool = ...,
+        poll: Poll = ...,
     ) -> Message:
         ...
 
@@ -1390,6 +1393,7 @@ class Messageable:
         view: View = ...,
         suppress_embeds: bool = ...,
         silent: bool = ...,
+        poll: Poll = ...,
     ) -> Message:
         ...
 
@@ -1410,6 +1414,7 @@ class Messageable:
         view: View = ...,
         suppress_embeds: bool = ...,
         silent: bool = ...,
+        poll: Poll = ...,
     ) -> Message:
         ...
 
@@ -1431,6 +1436,7 @@ class Messageable:
         view: Optional[View] = None,
         suppress_embeds: bool = False,
         silent: bool = False,
+        poll: Optional[Poll] = None,
     ) -> Message:
         """|coro|
 
@@ -1516,6 +1522,10 @@ class Messageable:
             in the UI, but will not actually send a notification.
 
             .. versionadded:: 2.2
+        poll: :class:`~discord.Poll`
+            The poll to send with this message.
+
+            .. versionadded:: 2.4
 
         Raises
         --------
@@ -1582,6 +1592,7 @@ class Messageable:
             stickers=sticker_ids,
             view=view,
             flags=flags,
+            poll=poll,
         ) as params:
             data = await state.http.send_message(channel.id, params=params)
 
@@ -1589,6 +1600,9 @@ class Messageable:
         if view and not view.is_finished():
             state.store_view(view, ret.id)
 
+        if poll:
+            poll._update(ret)
+
         if delete_after is not None:
             await ret.delete(delay=delete_after)
         return ret