small PR adding [p]llset info and [p]audioset logs (#4527)

* small PR adding `[p]llset info` and `[p]audioset logs`

* fixed + improvements

* Zip file properly

redbot/cogs/audio/utils.py

@@ -220,3 +220,11 @@ def task_callback(task: asyncio.Task) -> None:
     with contextlib.suppress(asyncio.CancelledError, asyncio.InvalidStateError):
         if exc := task.exception():
             log.exception(f"{task.get_name()} raised an Exception", exc_info=exc)
+
+
+def has_internal_server():
+    async def pred(ctx: commands.Context):
+        external = await ctx.cog.config.use_external_lavalink()
+        return not external
+
+    return commands.check(pred)