dsh-tire-wear: Tire Wear Detection Plugin

The `dsh-tire-wear` plugin provided by DeepSeek Harness (DSH) is a Node.js-based, fully local tool for assessing tire wear in offline environments. It requires no network requests, accurately calculates wear based on input parameters, and provides recommendations. Users can install it using the official command, provided that the required environment dependencies are met. The tool is suitable for scenarios requiring fast, localized tire evaluation under limited network access, and it is advisable to review the source code before installation.