Added PDFMathTranslate (pdf2zh), an open-source PDF document translation tool, to both English and Chinese README files. Included relevant links to advanced options and service configuration documentation.
Improved instructions and added Zotero integration steps in both English and Chinese README files. Removed references to tests/README.md in setup scripts and deleted the obsolete tests/README.md file.
Replaced occurrences of 'application' with 'app' in code comments and documentation for consistency and brevity. Updated both English and Chinese README files to add and clarify DeepLX App usage instructions, and adjusted section order for better clarity.
Changed the star history chart links and image sources from xixu-me/Xget to xixu-me/DeepLX in both README.md and README.zh.md for accurate project reference.
Replaced the star history chart in both English and Chinese README files to reference the xixu-me/Xget repository instead of xixu-me/DeepLX. Also updated the chart to use a <picture> element for dark and light theme support.
Added a new section in both English and Chinese README files to emphasize that DeepLX is completely free to use, with no API keys, subscription fees, or usage limits, unlike the paid DeepL API.
Added cross-links between English and Chinese README files for easier language switching. Updated CODE_OF_CONDUCT.md to use angle brackets for email and URLs for improved formatting.
Add configuration, documentation, code of conduct, contributing guide, license, and README files. Set up .gitignore, coverage config, GitHub issue templates, pull request template, and initial source code, scripts, and tests for DeepLX optimized for Cloudflare Workers.