Merge pull request #4 from DeepFundAI/codex/update-documentation-for-automatic-color-calculation

docs: mention auto color calculation

Author: lsustc

README.md

@@ -50,6 +50,13 @@ The exported CSS variable file example:
 --el-color-primary: #FF8340;
 ```
 
+### 5. Automatic Color Value Calculation
+
+Provides a toggle to automatically compute derivative color values from the primary color, reducing manual input. When enabled,
+related color shades are generated for you.
+
+![Auto Color Calculation Preview](docs/imgs/自动计算色值.png)
+
 ## Quick Start
 
 ### Install Dependencies

README.zh.md

@@ -50,6 +50,12 @@ Element Plus 主题变量编辑工具，帮助设计师快速调整和预览 Ele
 --el-color-primary: #FF8340;
 ```
 
+### 5. 自动计算色值
+
+提供自动计算与手动设置的切换，启用后会根据基础色值生成衍生颜色，减少手动输入，提升调色效率。
+
+![自动计算色值展示](docs/imgs/自动计算色值.png)
+
 ## 快速开始
 
 ### 安装依赖