dsh-think-any-lang: Select Model Thinking Language in DSH

The DSH plugin `dsh-think-any-lang` allows users to independently select the model inference language in Web settings, ensuring the final response remains in the user's language. The plugin provides a `Thinking Language` dropdown in `Settings → General`, supporting 12 languages (including Simplified Chinese and English) and an "Off" option, with selections being persisted. Its core mechanism injects thinking instructions written in the target language via `systemPrompt.section`, avoiding the latency caused by extra model calls and achieving zero extra call control. Installation requires the command `dsh plugin --profile <name> add github:lco117/dsh-think-any-lang`, and it is recommended to pin Com.