docs(components/progress): add Progress component documentation and preview image

Author: shadow3aaa

docs/en/components/progress.md

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+---
+title: Progress
+order: 9
+---
+
+# Progress
+
+```rust
+pub fn progress(args: impl Into<ProgressArgs>)
+```
+
+Displays a progress bar indicating the completion progress of a task. This component is almost identical to the `slider` component but is not interactive.
+
+## Arguments
+
+- `args: ProgressArgs`
+  This argument configures the style of the `progress` component. Use `ProgressArgsBuilder` to construct it.
+
+## Preview
+
+![progress](/progress_example.png)

docs/public/progress_example.png

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+---
+title: Progress 组件
+order: 9
+---
+
+# Progress
+
+```rust
+pub fn progress(args: impl Into<ProgressArgs>)
+```
+
+显示一个进度条，表示某个任务的完成进度。此组件与 `slider` 组件几乎一致，但不可交互。
+
+## 参数
+
+- `args: ProgressArgs`
+  该参数用于配置 `progress` 组件的样式。使用 `ProgressArgsBuilder` 来构建它。
+
+## 预览
+
+![progress](/progress_example.png)