dsh-desktop-statusbar: Replace the Bottom Statistics Row in DSH Desktop with a Configurable Status Bar

`dsh-desktop-statusbar` is a DSH desktop plugin maintained by raphael-y7, designed to replace the default, functionally limited statistics row with a highly configurable status bar solution. The plugin supports 10 optional fields, covering context usage, peak/off-peak detection, turn steps, cache hit rate, and cost estimation. It allows users to customize model unit prices, pricing units (CNY/USD), and peak/off-peak tiers, and includes features such as data drill-down, holiday updates, automatic balance refresh, and version self-checks. Installation is flexible, supporting command-line installation or installation via GitHub/mirrors. Configuration can be managed under “Settings → Status Bar,” where users can freely control displayed fields, adjust their order, and manage the pricing library.