feat: add file management CLI commands (move, copy, list-files, search-files, file-info)

[pranavkonde]

Added new file management commands to enhance the Lighthouse CLI functionality:

Commands Added:

1. move

   • Move/rename uploaded files
   • Handles file relocation with proper error checking

2. copy

   • Copy files using IPFS gateway
   • Includes progress indicator
   • Creates destination directory if needed
   • Validates file existence before copying

3. list-files [options]

   • Lists all uploaded files with detailed information
   • Filtering options:
     • --type: Filter by file type
     • --size: Filter by size (format: gt:1000000)
     • --date: Filter by date (ISO format)
   • Improved formatting for size and date display

4. search-files

   • Search through uploaded files
   • Shows matching files with complete details
   • Enhanced output formatting

5. file-info

   • Display detailed file information
   • Shows CID, name, size, type, and upload time
   • Includes deal status when available
   • Better error handling for missing data

Technical Improvements:

• Proper error handling across all commands
• Progress indicators for long-running operations
• Consistent date and file size formatting
• Fallback values for undefined fields
• IPFS gateway integration for file operations

Testing:
All commands have been tested with various file types and sizes.

[aakash-taneja]

closing this without merging, for the following reasons:

• The copy and move commands are outside the scope of our SDK
• The list-files command duplicates functionality already covered by get-uploads, and doesn't offer significant new utility