docs: prettier all markdown files

src/nav-bar/README.md

@@ -34,9 +34,9 @@ export default {
     },
     onClickRight() {
       Toast('Button');
-    }
-  }
-}
+    },
+  },
+};
 ```
 
 ### Use Slot
@@ -44,7 +44,7 @@ export default {
 ```html
 <van-nav-bar title="Title" left-text="Back" left-arrow>
   <template #right>
-    <van-icon name="search"/> 
+    <van-icon name="search" />
   </template>
 </van-nav-bar>
 ```
@@ -54,27 +54,27 @@ export default {
 ### Props
 
 | Attribute | Description | Type | Default |
-|------|------|------|------|
-| title | Title | *string* | `''` |
-| left-text | Left Text | *string* | `''` |
-| right-text | Right Text | *string* | `''` |
-| left-arrow | Whether to show left arrow | *boolean* | `false` |
-| border | Whether to show bottom border | *boolean* | `true` |
-| fixed | Whether to fixed top | *boolean* | `false` |
-| placeholder `v2.5.9` | Whether to generage a placeholder element when fixed | *boolean* | `false` |
-| z-index | Z-index | *number \| string* | `1` |
+| --- | --- | --- | --- |
+| title | Title | _string_ | `''` |
+| left-text | Left Text | _string_ | `''` |
+| right-text | Right Text | _string_ | `''` |
+| left-arrow | Whether to show left arrow | _boolean_ | `false` |
+| border | Whether to show bottom border | _boolean_ | `true` |
+| fixed | Whether to fixed top | _boolean_ | `false` |
+| placeholder `v2.5.9` | Whether to generage a placeholder element when fixed | _boolean_ | `false` |
+| z-index | Z-index | _number \| string_ | `1` |
 
 ### Slots
 
-| Name | Description |
-|------|------|
-| title | Custom title |
-| left | Custom left side content |
+| Name  | Description               |
+| ----- | ------------------------- |
+| title | Custom title              |
+| left  | Custom left side content  |
 | right | Custom right side content |
 
 ### Events
 
-| Event | Description | Arguments |
-|------|------|------|
-| click-left | Triggered when click left button | - |
-| click-right | Triggered when click right button | - |
+| Event       | Description                       | Arguments |
+| ----------- | --------------------------------- | --------- |
+| click-left  | Triggered when click left button  | -         |
+| click-right | Triggered when click right button | -         |