💡 add scheduler docstring

docs_build/README.rst

@@ -2,7 +2,9 @@ NoneBot Api Reference
 =====================
 
 :模块索引:
- - `nonebot <nonebot.html>`_
- - `nonebot.typing <typing.html>`_
- - `nonebot.log <log.html>`_
- - `nonebot.config <config.html>`_
+  - `nonebot <nonebot.html>`_
+  - `nonebot.typing <typing.html>`_
+  - `nonebot.config <config.html>`_
+  - `nonebot.sched <sched.html>`_
+  - `nonebot.log <log.html>`_
+  - `nonebot.exception <exception.html>`_

docs_build/sched.rst

@@ -0,0 +1,11 @@
+---
+contentSidebar: true
+sidebarDepth: 0
+---
+
+NoneBot.sched 模块
+===================
+
+.. automodule:: nonebot.sched
+   :members:
+   :show-inheritance: