Replaced httpx and json with aiohttp and ujson throughout the codebase for improved async performance and faster JSON handling. Updated requirements.txt to reflect new dependencies and removed unused ones. Refactored manifest handling to remove steam.client.cdn dependency and implemented custom manifest serialization. Updated logger to use loguru instead of logzero. Adjusted i18n keys and tray menu logic to match new window-based UI. Updated about.html to reflect backend technology change from HTTPX to AIOHTTP.
Add project files including Python source code, web assets, configuration, and CI/CD workflows. Includes main application logic, web interface, supporting modules, and documentation for the Onekey Steam Depot Manifest Downloader.
