docs(Sticky): reorder documents (#8370)

src/sticky/README.md

@@ -38,14 +38,6 @@ app.use(Sticky);
 </div>
 ```
 
-### Offset Bottom
-
-```html
-<van-sticky :offset-bottom="50" position="bottom">
-  <van-button type="primary">Offset Bottom</van-button>
-</van-sticky>
-```
-
 ```js
 export default {
   setup() {
@@ -55,6 +47,14 @@ export default {
 };
 ```
 
+### Offset Bottom
+
+```html
+<van-sticky :offset-bottom="50" position="bottom">
+  <van-button type="primary">Offset Bottom</van-button>
+</van-sticky>
+```
+
 ## API
 
 ### Props

src/sticky/README.zh-CN.md

@@ -48,6 +48,15 @@ app.use(Sticky);
 </div>
 ```
 
+```js
+export default {
+  setup() {
+    const container = ref(null);
+    return { container };
+  },
+};
+```
+
 ### 吸底距离
 
 将 `position` 设置为 `bottom` 可以让组件吸附在底部。通过 `offset-bottom` 属性可以设置组件在吸底时与底部的距离。
@@ -58,15 +67,6 @@ app.use(Sticky);
 </van-sticky>
 ```
 
-```js
-export default {
-  setup() {
-    const container = ref(null);
-    return { container };
-  },
-};
-```
-
 ## API
 
 ### Props