feat: nautilus (topics) (#2459)

Co-authored-by: Enoch Ma <enoch@Enochs-Air.local>

docs/reading.md

@@ -10,6 +10,12 @@ pageClass: routes
 
 <Route author="HenryQW" example="/allpoetry/newest" path="/allpoetry/:order?" :paramsDesc="['排序方式, `best` 或 `newest`, 缺省 `best`']"/>
 
+## Nautilus
+
+### 话题
+
+<Route author="emdoe" example=“/nautilus/topic/Art” path="/nautilus/topic/:tid" :paramsDesc=“[‘话题 id, 可在页面上方 TOPICS 栏目处找到']"/>
+
 ## UU 看书
 
 ### 小说更新