dsh-nba-pets: Use basketball pets to view task status in DeepSeek Harness

# Introduction When running tasks with DeepSeek Harness (hereinafter referred to as DSH), a common trouble is that the task executes in the background, and you have to switch windows or refresh the page to know if it is waiting for input, has encountered an error, or has finished. `dsh-nba-pets` solves this problem in a different way: it places a basketball-themed desktop pet on the DSH page that uses different animations to directly express the task status. When input is required, it waits for you; when an error occurs, it displays a blocked action; and when idle, it is there practicing shooting. Below is an introduction to the plugin's positioning, functions, and installation methods. # What is it? `dsh-nba-pets` is a collection of basketball-themed desktop pets maintained by lijian-888, built specifically for DSH. It is licensed under the MIT license, and the repository is `packa