message: docs(Search): Search  demo desc adjustment
diff: @@ -24,6 +24,23 @@ export default {
  }
  }
  ```
  +### Custom Background Color
  +
  +```html
  +<van-search placeholder="Placeholder" v-model="value" background="#c8c9cc"/>
  +```
  +
  +### Disable Search Bar
  +
  +```html
  +<van-search placeholder="Placeholder" v-model="value" disabled/>
  +```
  +
  +### Search Bar Content Alignment
  +
  +```html
  +<van-search placeholder="Placeholder" v-model="value" input-align="center"/>
  +```
  ### Listen to Events
  