dsh-custom-font: A Font Customization Plugin for the DSH Interface

`dsh-custom-font` is a UI font customization plugin for DeepSeek Harness (DSH). It provides a WYSIWYG approach that allows users to intuitively adjust the font family, size, color, and layout of interface text, with support for separate Chinese and English settings and automatic system font detection. The plugin includes built-in open-source fonts and recommended presets, requires no online downloads, automatically saves settings, and supports exporting them for migration. Maintained by Vergil-long, it aims to improve the reading experience and visual consistency of DSH.