dsh-whale-musume: Adding a Locally Running Whale Girl Desktop Pet for DSH

dsh-whale-musume is a desktop mascot plugin developed by Sutera-Diffusus for DeepSeek Harness, version 1.4.1, compatible with DSH 0.1.0-rc.6. The whale girl floats over the Web interface, automatically switching to working poses during idle interaction and tool operation, featuring 90+ illustrations, nurturing achievements, and mini-games, running locally by default with no telemetry. It supports installation via the bundle command or Release script injection, choose one of the two. Licensed under MIT, categorized in SkillHub as "fun dress-up".