Add io/fs standard library

[Avey777]

Describe the feature

The io/fs package provides a set of core types that define file system interfaces

Use Case

https://github.com/golang/go/tree/master/src/io/fs

Proposed Solution

No response

Other Information

No response

Acknowledgements

• [ ] I may be able to implement this feature request
• [ ] This feature might incur a breaking change

Version used

V 0.4.10 0c495d0

Environment details (OS name and version, etc.)

Not Applicable

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[huly-for-github[bot]]

Connected to Huly®: V_0.6-23045

[jorgeluismireles]

V has module os for files, processes and signals. For instance, while go's walk function is in fs package, V's is in os module. Moving functions to another modules would break code.