feat: added Files app USB medium detection

kernel/src/Api/Filesystem.hpp

@@ -7,6 +7,8 @@
 
 #pragma once
 #include <Fs/Vfs.hpp>
+#include <Fs/FsProbe.hpp>
+#include <Drivers/Storage/BlockDevice.hpp>
 #include <Sched/Scheduler.hpp>
 #include <Memory/PageFrameAllocator.hpp>
 #include <Memory/HHDM.hpp>
@@ -126,4 +128,11 @@ namespace Montauk {
     static int Sys_DriveLabel(int driveNumber, char* outLabel, int maxLen) {
         return Fs::Vfs::VfsDriveLabel(driveNumber, outLabel, maxLen);
     }
+
+    static int Sys_DriveKind(int driveNumber) {
+        int blockDev = Fs::FsProbe::GetBlockDeviceForDrive(driveNumber);
+        if (blockDev < 0) return 0;
+        auto* dev = Drivers::Storage::GetBlockDevice(blockDev);
+        return dev ? (int)dev->Kind : 0;
+    }
 };