The Coloriststruct introduces a reusable styling container​ to the co…

[xiaxia1000]

The Coloriststruct introduces a reusable styling container​ to the coloredlibrary. Its primary purpose is to decouple color and style configurations from the text content they are applied to. Unlike ColoredString, which binds styling to a specific string, Coloristholds only the styling information (foreground color, background color, and text styles) and provides methods to "paint" this configuration onto any number of strings.

This design enables efficient reuse of style sets, promotes cleaner code by separating styling logic from content, and supports a fluent interface for building complex styles through method chaining (e.g., Colorist::new().blue().on_white().bold()). It is ideal for scenarios where consistent styling needs to be applied across multiple text elements.

Colorist结构体为 colored库引入了一个可复用的样式配置容器。其主要设计目标是将颜色和样式配置与文本内容进行分离。与同时存储文本和样式的 ColoredString不同，Colorist仅存储样式配置信息（如前景色、背景色和文本样式），并可以将这套配置轻松“粉刷”到任意多个字符串上。 通过这种方式，Colorist实现了样式集的高效复用，使样式逻辑与内容逻辑解耦，代码更清晰。它支持通过方法链（如 Colorist::new().blue().on_white().bold()）来流畅地构建复杂样式，非常适合需要在多个文本元素上保持样式一致的场景

Additionally, a new feature named past-formatter has been introduced to avoid the never constructed warnings related to the original formatter module.

另外：添加了新的feature：past-formatter来避免原formatter模块中原本内容的未构建警告