🎨 Palette: Improve CLI UX with arguments and options

[EiJackGH]

💡 What: Added argparse to allow configuration of simulation parameters (days, cash, price, volatility) and output verbosity.
🎯 Why: Users could not change simulation parameters without editing code. Daily logs were too verbose for long simulations.
📸 Before/After: CLI now accepts flags like --days, --quiet, --no-color.
♿ Accessibility: Added --no-color flag for better support of non-ANSI terminals and logs.

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PR created automatically by Jules for task 8767264121837148530 started by @EiJackGH

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