docs: change slot to # (#5858)

* docs(SwipeCell): change "slot" to "v-slot"

* docs(SwipeCell): change `v-slot` to`#`

* docs(cell): change `slot` to `#`

* docs(checkbox): change `slot` to `v-slot`

* docs(field): change `slot` to `v-slot`

* docs(checkbox): remove wrong comment

* docs(radio): change `slot` to `#`

* docs(search): change `slot` to `#`

* docs(slider): change `slot` to `#`

* docs(switch): change `slot` to `#`

* docs(PullRefresh): change `slot` to `#`

* docs(collapse): change `slot` to `#`

* docs(panel): change `slot` to `#`

* docs(swipe): change `slot` to `#`

* docs(navbar): change `slot` to `#`

* docs(tab): change `slot` to `#`

* docs(tabber): change `slot` to `#`

* docs(TreeSelect): change `slot` to `#`

* docs(card): change `slot` to `#`

* docs(submitBar): change `slot` to `#`

* docs(sku): change `slot` to `#` unsure

* docs(cell): delete waste blank line

* docs(panel): fix indentation

* docs(PullRefresh): change "count" to "Refresh Count"

* docs(radio): delete waste blank line

* docs(search): move props above the event

* docs(submitBar): delete waste `<span>`

* docs(swipCell): delete waste blank line

* docs(tabbar): merge `<img>` into one line

src/cell/README.md

@@ -79,19 +79,22 @@ Vue.use(CellGroup);
 ### Use Slots
 
 ```html
-<van-cell value="Content" is-link>
-  <template slot="title">
-    <span class="custom-title">Cell title</span>
-    <van-tag type="danger">Tag</van-tag>
+<van-cell value="内容" is-link>
+  <!-- Use the title slot to customize the title -->
+  <template #title>
+    <span class="custom-title">单元格</span>
+    <van-tag type="danger">标签</van-tag>
   </template>
 </van-cell>
 
-<van-cell title="Cell title" icon="shop-o">
-  <van-icon
-    slot="right-icon"
-    name="search"
-    style="line-height: inherit;"
-  />
+<van-cell title="单元格" icon="shop-o">
+  <!-- Use the right-icon slot to customize the right icon -->
+  <template #right-icon>
+    <van-icon
+      name="search"
+      style="line-height: inherit;"
+    />
+  </template>
 </van-cell>
 ```
 

src/cell/README.zh-CN.md

@@ -87,7 +87,7 @@ Vue.use(CellGroup);
 ```html
 <van-cell value="内容" is-link>
   <!-- 使用 title 插槽来自定义标题 -->
-  <template slot="title">
+  <template #title>
     <span class="custom-title">单元格</span>
     <van-tag type="danger">标签</van-tag>
   </template>
@@ -95,11 +95,12 @@ Vue.use(CellGroup);
 
 <van-cell title="单元格" icon="shop-o">
   <!-- 使用 right-icon 插槽来自定义右侧图标 -->
-  <van-icon
-    slot="right-icon"
-    name="search"
-    style="line-height: inherit;"
-  />
+  <template #right-icon>
+    <van-icon
+      name="search"
+      style="line-height: inherit;"
+    />
+  </template>
 </van-cell>
 ```