docs: nest attributes like in config

docs/configuration.md

@@ -40,41 +40,43 @@ Config options:
   - [`piped`](#piped)
   - [`follow`](#follow)
   - [`exclude_tags`](#exclude_tags)
-  - [`commands`](#commands)
-  - [`scripts`](#scripts)
-- [`<command>`](#command) command name
-  - [`run`](#run)
-    - [`{files}` template](#files-template)
-    - [`{staged_files}` template](#staged_files-template)
-    - [`{push_files}` template](#push_files-template)
-    - [`{all_files}` template](#all_files-template)
-    - [`{cmd}` template](#cmd-template)
-  - [`skip`](#skip)
-  - [`only`](#only)
-  - [`tags`](#tags)
-  - [`glob`](#glob)
-  - [`files`](#files)
-  - [`file_types`](#file_types)
-  - [`env`](#env)
-  - [`root`](#root)
-  - [`exclude`](#exclude)
-  - [`fail_text`](#fail_text)
-  - [`stage_fixed`](#stage_fixed)
-  - [`interactive`](#interactive)
-  - [`use_stdin`](#use_stdin)
-  - [`priority`](#priority)
-- [`<script>`](#script) script name
-  - [`use_stdin`](#use_stdin)
-  - [`runner`](#runner)
   - [`skip`](#skip)
   - [`only`](#only)
-  - [`tags`](#tags)
-  - [`env`](#env)
-  - [`fail_text`](#fail_text)
-  - [`stage_fixed`](#stage_fixed)
-  - [`interactive`](#interactive)
-  - [`use_stdin`](#use_stdin)
-  - [`priority`](#priority)
+  - [`commands`](#commands)
+    - [`<command>`](#command) command name
+      - [`run`](#run)
+        - [`{files}` template](#files-template)
+        - [`{staged_files}` template](#staged_files-template)
+        - [`{push_files}` template](#push_files-template)
+        - [`{all_files}` template](#all_files-template)
+        - [`{cmd}` template](#cmd-template)
+      - [`skip`](#skip)
+      - [`only`](#only)
+      - [`tags`](#tags)
+      - [`glob`](#glob)
+      - [`files`](#files)
+      - [`file_types`](#file_types)
+      - [`env`](#env)
+      - [`root`](#root)
+      - [`exclude`](#exclude)
+      - [`fail_text`](#fail_text)
+      - [`stage_fixed`](#stage_fixed)
+      - [`interactive`](#interactive)
+      - [`use_stdin`](#use_stdin)
+      - [`priority`](#priority)
+  - [`scripts`](#scripts)
+    - [`<script>`](#script) script name
+      - [`use_stdin`](#use_stdin)
+      - [`runner`](#runner)
+      - [`skip`](#skip)
+      - [`only`](#only)
+      - [`tags`](#tags)
+      - [`env`](#env)
+      - [`fail_text`](#fail_text)
+      - [`stage_fixed`](#stage_fixed)
+      - [`interactive`](#interactive)
+      - [`use_stdin`](#use_stdin)
+      - [`priority`](#priority)
 
 Extra:
 - [Examples](#examples)