[breaking change] Badge: rename to sidebar

packages/sidebar/index.js

@@ -0,0 +1,28 @@
+import { use } from '../utils';
+
+const [sfc, bem] = use('sidebar');
+
+export default sfc({
+  props: {
+    activeKey: {
+      type: [Number, String],
+      default: 0
+    }
+  },
+
+  provide() {
+    return {
+      vanSidebar: this
+    };
+  },
+
+  data() {
+    return {
+      items: []
+    };
+  },
+
+  render(h) {
+    return <div class={[bem(), 'van-hairline--top-bottom']}>{this.slots()}</div>;
+  }
+});