Добавить прайс лист

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The issue title 'Добавить прайс лист' (Add price list) suggests adding pricing functionality to a Telegram bot. First, examine the bot's codebase to understand its current structure and how services/products are defined. Look for existing models in Django admin that might relate to pricing or subscriptions. Determine where the price list should be displayed (e.g., in bot messages, a web interface) and how it should be managed (e.g., via Django admin). Check for any related configuration or payment integration files.

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