docs: statistic 英文文档完善 (#2423)

Author: visiky

docs/api/plots/gauge.en.md

@@ -1,5 +1,5 @@
 ---
-title: Gauage
+title: Gauge
 order: 5
 ---
 

docs/common/statistic.en.md

@@ -1,14 +1,15 @@
 | Properties | Type                   | Description |
 | ---------- | ---------------------- | ----------- |
-| title      | false \| StatisticText | title       |
-| content    | false \| StatisticText | content     |
+| title      | _false \| StatisticText_ | title       |
+| content    | _false \| StatisticText_ | content     |
 
 StatisticText
 
 | Properties | Type     | Description                       |
 | ---------- | -------- | --------------------------------- |
-| style      | object   | Styles for statistical text       |
-| formatter  | Function | The formatted content of the text |
-| rotate     | number   | Rotation Angle                    |
-| offsetX    | number   | X offset                          |
-| offsetY    | number   | Y offset                          |
+| style      | _CSSStyleDeclaration_   | Styles for statistical text (css styles)       |
+| customHtml | `(container: HTMLElement, view: View, datum: object, data: object[]) => string;` | custom content by using html，priority is higher than formatter |
+| formatter  | _Function_ | The formatted content of the text |
+| rotate     | _number_   | Rotation Angle                    |
+| offsetX    | _number_   | X offset                          |
+| offsetY    | _number_   | Y offset                          |

docs/common/statistic.zh.md

@@ -1,15 +1,15 @@
 | 配置项  | 类型                   | 描述     |
 | ------- | ---------------------- | -------- |
-| title   | false \| StatisticText | 标题     |
-| content | false \| StatisticText | 主体内容 |
+| title   | _false \| StatisticText_ | 标题     |
+| content | _false \| StatisticText_ | 主体内容 |
 
 StatisticText
 
 | 配置项    | 类型     | 描述                 |
 | --------- | -------- | -------------------- |
-| style     | CSSStyleDeclaration | 统计文本的样式 (css 样式)      |
+| style     | _CSSStyleDeclaration_ | 统计文本的样式 (css 样式)      |
 | customHtml | `(container: HTMLElement, view: View, datum: object, data: object[]) => string;` | 自定义主体文本的 html，优先级高于 formatter |
-| formatter | Function | 主体文本的格式化内容 |
-| rotate    | number   | 旋转角度             |
-| offsetX   | number   | X 偏移值             |
-| offsetY   | number   | Y 偏移值             |
+| formatter | _Function_ | 主体文本的格式化内容 |
+| rotate    | _number_   | 旋转角度             |
+| offsetX   | _number_   | X 偏移值             |
+| offsetY   | _number_   | Y 偏移值             |

examples/progress-plots/gauge/demo/basic.ts

@@ -30,9 +30,10 @@ const gauge = new Gauge('container', {
   statistic: {
     content: {
       formatter: ({ percent }) => `Rate: ${(percent * 100).toFixed(0)}%`,
-    },
-    style: {
-      fontSize: 60,
+      style: {
+        color: 'rgba(0,0,0,0.65)',
+        fontSize: 48,
+      },
     },
   },
 });