docs(getNextEpisodeSchedule): add docs for /:animeId/next-episode-schedule endpoint

README.md

@@ -82,6 +82,7 @@
     - [GET Category Animes](#get-category-animes)
     - [GET Estimated Schedules](#get-estimated-schedules)
     - [GET Anime Episodes](#get-anime-episodes)
+    - [GET Anime Next Episode Schedule](#get-anime-next-episode-schedule)
     - [GET Anime Episode Servers](#get-anime-episode-servers)
     - [GET Anime Episode Streaming Links](#get-anime-episode-streaming-links)
 - [Development](#development)
@@ -1146,6 +1147,53 @@ console.log(data);
 
 <summary>
 
+### `GET` Anime Next Episode Schedule
+
+</summary>
+
+#### Endpoint
+
+```sh
+/api/v2/hianime/anime/{animeId}/next-episode-schedule
+```
+
+#### Path Parameters
+
+| Parameter |  Type  |     Description      | Required? | Default |
+| :-------: | :----: | :------------------: | :-------: | :-----: |
+| `animeId` | string | The unique anime id. |    Yes    |   --    |
+
+#### Request Sample
+
+```javascript
+const resp = await fetch(
+    "/api/v2/hianime/anime/steinsgate-3/next-episode-schedule"
+);
+const data = await resp.json();
+console.log(data);
+```
+
+#### Response Schema
+
+```javascript
+{
+  success: true,
+  data: {
+    airingISOTimestamp: string | null,
+    airingTimestamp: number | null,
+    secondsUntilAiring: number | null
+  }
+}
+```
+
+[🔼 Back to Top](#table-of-contents)
+
+</details>
+
+<details>
+
+<summary>
+
 ### `GET` Anime Episode Servers
 
 </summary>