chore: rename composables folder

src/composables/use-height.ts

@@ -0,0 +1,14 @@
+import { useRect } from '@vant/use';
+import { Ref, ref, onMounted, nextTick } from 'vue';
+
+export const useHeight = (element: Element | Ref<Element>) => {
+  const height = ref();
+
+  onMounted(() => {
+    nextTick(() => {
+      height.value = useRect(element).height;
+    });
+  });
+
+  return height;
+};