chore: preparation to add block manipulation

src/kernel/device/block.rs

+//! Structures and traits for block manipulation

src/kernel/device/mod.rs

 //! Device interface
 
-pub mod pci;
+use crate::println;
+
+mod block;
+mod pci;
+mod storage;
+
+pub fn init() {
+    let devices = pci::scan();
+    println!("{:?}", devices);
+}

src/kernel/device/storage.rs

+//! Interface to manage storage devices and controllers

src/kernel/mod.rs

@@ -68,7 +68,8 @@ pub fn init(boot_info: &'static mut BootInfo) {
     interrupt::init(rsdp_addr);
     info!("Interruptions initialized");
 
-    println!("{:?}", device::pci::scan());
+    // Initialization of the devices
+    device::init();
 
     println!("Hello world!");
     println!("It is currently {}.", CMOS.rtc());