fix: support automatically create folder structure when uploading folder

[flywukong]

Description

support automatically create folders structure when uploading a local folder in a recursive way. The command will create empty files for the folders

Rationale

it is reasonable to automatically create directory structure when upload the folder even the folder is a empty file

Example

wayen@c02fvfsdmd6m testnet-test % tree test-dir9
test-dir9
├── hunter.jpeg9
├── test-dir88
└── test-dir89
    ├── download.log6
    └── download.log9

2 directories, 3 files
wayen@c02fvfsdmd6m testnet-test % ./gnfd-cmd object put --recursive test-dir9 gnfd://diiik1

Please enter the passphrase now:
creating folder: test-dir9
creating folder: test-dir9/test-dir88
creating folder: test-dir9/test-dir89
uploading progress: 100.00% [ 15.70K / 15.70K ], rate: 13.49 KB/s
sealing...
upload test-dir9/hunter.jpeg9 to gnfd://diiik1
uploading progress: 100.00% [ 39.38K / 39.38K ], rate: 34.17 KB/s
sealing...
upload test-dir9/test-dir89/download.log6 to gnfd://diiik1
uploading progress: 100.00% [ 174.97K / 174.97K ], rate: 152.71 KB/s
sealing...
upload test-dir9/test-dir89/download.log9 to gnfd://diiik1

wayen@c02fvfsdmd6m testnet-test % ./gnfd-cmd object ls --recursive  gnfd://diiik1/test-dir9
Please enter the passphrase now:
2023-11-20 18:12:45               0 test-dir9/
2023-11-20 17:17:32         1110920 test-dir9/download.log90
2023-11-20 18:13:01           16077 test-dir9/hunter.jpeg9
2023-11-20 18:12:51               0 test-dir9/test-dir88/
2023-11-20 18:12:56               0 test-dir9/test-dir89/
2023-11-20 18:13:11           40330 test-dir9/test-dir89/download.log6
2023-11-20 18:13:22          179167 test-dir9/test-dir89/download.log9

Changes

Notable changes:

• add each change in a bullet point here
• ...