closes #283

/claim #283

This PR implements CLI commands to list and retrieve contents of worker files, leveraging the existing REST API endpoints as requested in the bounty.

Features Added

golem-cli worker files Command

• Purpose: List files in a worker’s file system
• Usage: golem-cli worker files [–path ]
• Options:
  • –path: Optional path to list files from (defaults to root /)
• Output: Returns GetFilesResponse with detailed file metadata including names, sizes, permissions, and modification times

golem-cli worker file-contents Command

• Purpose: Get contents of a specific file in a worker’s file system
• Usage: golem-cli worker file-contents
• Features:
  • Handles both UTF-8 text files and binary files gracefully
  • Outputs raw file contents directly to stdout
  • Proper error handling for missing files

Working CLI video:

https://github.com/user-attachments/assets/25631d15-60a5-40cc-9e9f-5b8cbf313f82