refactor: Decompose tell and eject funcs

pkg/hardware/eject.go

@@ -0,0 +1,19 @@
+package hardware
+
+import (
+	"os"
+
+	"github.com/pojntfx/stfs/internal/controllers"
+)
+
+func Eject(
+	state DriveConfig,
+) error {
+	f, err := os.OpenFile(state.Drive, os.O_RDONLY, os.ModeCharDevice)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	return controllers.EjectTape(f)
+}