minor changes & work on threading

kernel/src/arch/x86_64/processing/mod.rs

@@ -1,2 +1,3 @@
 pub mod async_io;
 pub mod threading;
+mod taskrunner;

kernel/src/arch/x86_64/processing/taskrunner/mod.rs

@@ -0,0 +1,12 @@
+use alloc::boxed::Box;
+
+pub struct Task {
+    pid: usize,
+    task: Box<dyn Fn() + Send + 'static>,
+}
+
+impl Task {
+    pub fn new() {}
+
+    pub fn run() {}
+}