Add message content intent to examples

examples/basic_voice.py

@@ -1,3 +1,5 @@
+# This example requires the 'message_content' privileged intent to function.
+
 import asyncio
 
 import discord
@@ -123,8 +125,12 @@ class Music(commands.Cog):
         elif ctx.voice_client.is_playing():
             ctx.voice_client.stop()
 
+intents = discord.Intents.default()
+intents.message_content = True
+
 bot = commands.Bot(command_prefix=commands.when_mentioned_or("!"),
-                   description='Relatively simple music bot example')
+                   description='Relatively simple music bot example',
+                   intents=intents)
 
 @bot.event
 async def on_ready():