[feat]tools-v2: bs create file/dir

[Cyber-SiKu]

1. create file
2. create dir

What problem does this PR solve?

Issue Number: #xxx

Problem Summary:

What is changed and how it works?

What's Changed:

How it Works:

curve bs create file --path /test2/test4  --size 10GiB 
+---------+
| RESULT  |
+---------+
| success |
+---------+


curve bs create dir --path /test2/test5            
+---------+
| RESULT  |
+---------+
| success |
+---------+

Side effects(Breaking backward compatibility? Performance regression?):

Check List

• Relevant documentation/comments is changed or added
• I acknowledge that all my contributions will be made under the project's license

[Cyber-SiKu]

cicheck