dsh-language-bridge: Assign working language to each model

The DeepSeek Harness community plugin, dsh-language-bridge, assigns a working language to each model ID: You input in your preferred language, and DeepSeek Flash translates it into the model's working language before sending it; the response is then translated back into your language and displayed in place. This article covers features, installation and enabling, typical usage, applicable scenarios, and known limitations.