Improve Docker Compose progress output for better user experience

[snickerjp]

Enhancement Request

The current setup script could benefit from cleaner terminal output during Docker image downloads to improve user experience and readability.

Current Behavior

• Hundreds of progress bar lines during image downloads
• Multiple parallel layer downloads create visual noise
• Important messages can be buried in progress output
• Log files become unnecessarily large

Example Output

When downloading the main Redash image (~500MB), users see output like:

59e22667830b [=========>                                         ]  5.243MB/28.23MB 
3fa1124e7cf3 [=============>                                     ]  4.194MB/15.65MB
12b8240e46e9 [=============================>                     ]  2.097MB/3.514MB
ebf5995699c9 [>                                                  ]  1.049MB/521.4MB
... (hundreds more lines)

Proposed Enhancement

Implement a dual-mode progress display:

Default Mode (Clean):

• Show user-friendly messages with dot progress
• Hide cluttered Docker progress bars
• Example: Downloading images........ Done!

Debug Mode (--debug flag):

• Show full Docker Compose progress output
• Useful for troubleshooting installation issues

Benefits

• ✅ Improved user experience for typical installations
• ✅ Cleaner terminal output and logs
• ✅ Detailed output still available when needed
• ✅ Better accessibility for users with screen readers

This enhancement maintains full functionality while significantly improving the installation experience for end users.