fork the esp-idf fatfs for f_forward and exfat support

lib/fatfs/fatfs_utils/fatfs_parser.py

@@ -0,0 +1,17 @@
+# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+
+from .boot_sector import BootSector
+from .utils import read_filesystem
+
+
+class FATFSParser:
+
+    def __init__(self, image_file_path: str, wl_support: bool = False) -> None:
+        if wl_support:
+            raise NotImplementedError('Parser is not implemented for WL yet.')
+        self.fatfs = read_filesystem(image_file_path)
+
+        # when wl is not supported we expect boot sector to be the first
+        self.parsed_header = BootSector.BOOT_SECTOR_HEADER.parse(self.fatfs[:BootSector.BOOT_HEADER_SIZE])
+        print(BootSector)