Switch logger to rotoger

[grillazz]

No description provided.

[Copilot]

Pull Request Overview

This PR migrates the project's logging solution from a custom structlog implementation with rich formatting to Rotoger, a production-ready logging library. The change simplifies the logging setup by removing custom rotation logic while gaining structured, asynchronous logging capabilities.

Key Changes:

• Removed custom RotatingBytesLogger and factory classes previously handling log rotation
• Updated documentation to describe Rotoger's structured logging, async capabilities, and built-in rotation

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
app/utils/logging.py	Completely removed custom logging implementation including rotation handlers and singleton logger class
README.md	Updated documentation to reflect migration from rich library to Rotoger, explaining new structured and asynchronous logging benefits

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