更新 README.md

Merge pull request #93 from octo-patch/feature/add-minimax-provider

feat: add MiniMax AI as third conversation provider

Update README.md

Update README.md

更新 yuandan-update.md

更新 yuandan-update.md

更新 yuandan-update.md

更新 yuandan-update.md

更新 yuandan-update.md

Update README.md

Rename yuandan-update to yuandan-update.md

Add update documentation for App and Server V3.5

Update README_VI.md

Remove Donation List from README_EN.md