style:增加左侧导航及头部导航栏

src/views/courselibrary/CoursewareManage.vue

@@ -0,0 +1,16 @@
+<template>
+  <div class="coursewareManage"></div>
+</template>
+<script>
+import { reactive, toRefs } from "vue";
+export default {
+  name: "CoursewareManage",
+  setup() {
+    const state = reactive({});
+    return {
+      ...toRefs(state),
+    };
+  },
+};
+</script>
+<style scoped lang="scss"></style>