Rename scheduling to 'async_io', general cleanup

libk/src/drivers/async_io/task.rs

@@ -1,3 +1,8 @@
+//! Allows creation of asynchronous IO bound tasks.
+//!
+//! Written by @zxq5 for the most part with code from
+//! [here](https://github.com/phil-opp/blog_os/).
+//!
 use crate::prelude::*;
 use alloc::collections::BTreeMap;
 use alloc::sync::Arc;

libk/src/drivers/mod.rs

@@ -1,3 +1,3 @@
+pub mod async_io;
 pub mod io;
 pub mod kalloc;
-pub mod scheduling;