chore: 阅读材料显示描述

src/modules/viewer/components/read/chapterRead.vue

 <template>
   <container :title="chapter.name">
+    <div class="read-desc" v-html="detail.reading_content"></div>
     <file-list :files="files"></file-list>
   </container>
 </template>
@@ -32,6 +33,7 @@ export default {
   },
   data() {
     return {
+      detail: {},
       files: []
     }
   },
@@ -44,6 +46,7 @@ export default {
   methods: {
     getChapterReading() {
       api.getChapterReading(this.resourceId).then(response => {
+        this.detail = response
         this.files = response.reading_attachment
       })
     }
@@ -53,3 +56,10 @@ export default {
   }
 }
 </script>
+
+<style scoped>
+.read-desc {
+  font-size: 16px;
+  margin-bottom: 40px;
+}
+</style>