Implement resource loading feature

blefs/error.go

@@ -13,6 +13,7 @@ var (
 	ErrOffsetChanged = errors.New("offset has already been changed")
 	ErrReadOpen      = errors.New("only one file can be opened for reading at a time")
 	ErrWriteOpen     = errors.New("only one file can be opened for writing at a time")
+	ErrNoRemoveRoot  = errors.New("refusing to remove root directory")
 )
 
 // FSError represents an error returned by BLE FS

blefs/iofs.go

@@ -12,4 +12,4 @@ func (iofs goFS) Open(path string) (fs.File, error) {
 
 func (blefs *FS) GoFS() fs.FS {
 	return goFS{blefs}
-}
+}