Add simple NVMe module and switch to NVMe emulation

src/kernel/kernel.c

@@ -3,6 +3,7 @@
 #include "src/kernel/idt.h"
 #include "src/kernel/keyboard.h"
 #include "src/kernel/log.h"
+#include "src/kernel/nvme.h"
 #include "src/kernel/panic.h"
 #include "src/kernel/path.h"
 #include "src/kernel/pic.h"
@@ -61,6 +62,7 @@ void kernel_main() {
 
   gdt_init();
   syscall_init();
+  nvme_init();
 
   process_t *kernel = memory_allocate(sizeof(process_t));
   kernel->pml4 = (uint64_t *)KERNEL_VIRTUAL_PML4;