Add support for components V2

Co-authored-by: Michael H <michael@michaelhall.tech>
Co-authored-by: Soheab <33902984+Soheab@users.noreply.github.com>
Co-authored-by: owocado <24418520+owocado@users.noreply.github.com>
Co-authored-by: Jay3332 <40323796+jay3332@users.noreply.github.com>
Co-authored-by: Danny <1695103+Rapptz@users.noreply.github.com>

examples/views/layout.py

@@ -0,0 +1,47 @@
+# This example requires the 'message_content' privileged intent to function.
+
+from discord.ext import commands
+
+import discord
+
+
+class Bot(commands.Bot):
+    def __init__(self):
+        intents = discord.Intents.default()
+        intents.message_content = True
+
+        super().__init__(command_prefix=commands.when_mentioned_or('$'), intents=intents)
+
+    async def on_ready(self):
+        print(f'Logged in as {self.user} (ID: {self.user.id})')
+        print('------')
+
+
+# Define a LayoutView, which will allow us to add v2 components to it.
+class Layout(discord.ui.LayoutView):
+    # you can add any top-level component (ui.ActionRow, ui.Section, ui.Container, ui.File, etc.) here
+
+    action_row = discord.ui.ActionRow()
+
+    @action_row.button(label='Click Me!')
+    async def action_row_button(self, interaction: discord.Interaction, button: discord.ui.Button):
+        await interaction.response.send_message('Hi!', ephemeral=True)
+
+    container = discord.ui.Container(
+        discord.ui.TextDisplay(
+            'Click the above button to receive a **very special** message!',
+        ),
+        accent_colour=discord.Colour.blurple(),
+    )
+
+
+bot = Bot()
+
+
+@bot.command()
+async def layout(ctx: commands.Context):
+    """Sends a very special message!"""
+    await ctx.send(view=Layout())  # sending LayoutView's does not allow for sending any content, embed(s), stickers, or poll
+
+
+bot.run('token')