Add example for dynamic cooldowns (Pycord-Development#1646)

Co-authored-by: Dorukyum <53639936+Dorukyum@users.noreply.github.com>

examples/cooldown.py

@@ -7,7 +7,7 @@
 intents.message_content = True
 
 bot = commands.Bot(command_prefix=commands.when_mentioned_or("!"), debug_guilds=[...], intents=intents)
-
+bypassing_users = []  # used in the dynamic cooldown below
 
 # An application command with cooldown
 @bot.slash_command()
@@ -32,6 +32,22 @@ async def prefixed(ctx: commands.Context):
     await ctx.send("You can use this command again in 5 seconds.")
 
 
+# Dynamic cooldown function; allows for custom cooldown logic such as different cooldowns per-user
+def my_cooldown(message):
+    if message.author.id in bypassing_users:
+        return None  # Let specific users bypass the cooldown entirely
+    elif message.author.get_role(929080208148017242):
+        return commands.Cooldown(2, 5)  # Users with the above role ID can use the command twice in 5 seconds
+    else:
+        return commands.Cooldown(1, 10)  # All other users can use the command once in 10 seconds
+
+# A prefixed command with the dynamic cooldown defined above
+@bot.command()
+@commands.dynamic_cooldown(my_cooldown, commands.BucketType.user)
+async def dynamic(ctx: commands.Context):
+    await ctx.send("You can use this command again soon.")
+
+
 # Prefixed command error handler
 @bot.event
 async def on_command_error(ctx: commands.Context, error: commands.CommandError):