refactor mega-commit.

- reorganised the entire project so that the entire kernel is a single codebase rather than a kernel and a libk.

kernel/Cargo.toml

@@ -6,11 +6,19 @@ authors.workspace = true
 
 [dependencies]
 limine = "0.3.1"
-libk = { path = "../libk" }
 x86_64 = "0.15.2"
 spin = "0.9.8"
 pic8259 = "0.11.0"
 pc-keyboard = "0.8.0"
+libm = { path = "../libm" }
+crossbeam = { version = "0.8.4", default-features = false, features = [
+    "alloc",
+    "crossbeam-queue",
+] }
+futures-util = { version = "0.3.31", default-features = false, features = [
+    "alloc",
+] }
+linked_list_allocator = { version = "0.10.5", features = ["use_spin"] }
 
 [build-dependencies]
 cc = "1.2.14"