docs/zh_CN: Refactoring the admin-guide directory index

The Todolist in the html document looks a mess, now give it a nice looking format.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/d410408ec13d6e9cff97da50a13d793a428e05cf.1646899089.git.siyanteng@loongson.cnSigned-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/translations/zh_CN/admin-guide/index.rst

@@ -20,15 +20,15 @@ Linux 内核用户和管理员指南
 
 Todolist:
 
-   kernel-parameters
-   devices
-   sysctl/index
+*   kernel-parameters
+*   devices
+*   sysctl/index
 
 本节介绍CPU漏洞及其缓解措施。
 
 Todolist:
 
-   hw-vuln/index
+*   hw-vuln/index
 
 下面的一组文档，针对的是试图跟踪问题和bug的用户。
 
@@ -44,18 +44,18 @@ Todolist:
 
 Todolist:
 
-   reporting-bugs
-   ramoops
-   dynamic-debug-howto
-   kdump/index
-   perf/index
+*   reporting-bugs
+*   ramoops
+*   dynamic-debug-howto
+*   kdump/index
+*   perf/index
 
 这是应用程序开发人员感兴趣的章节的开始。可以在这里找到涵盖内核ABI各个
 方面的文档。
 
 Todolist:
 
-   sysfs-rules
+*   sysfs-rules
 
 本手册的其余部分包括各种指南，介绍如何根据您的喜好配置内核的特定行为。
 
@@ -73,57 +73,57 @@ Todolist:
 
 Todolist:
 
-   acpi/index
-   aoe/index
-   auxdisplay/index
-   bcache
-   binderfs
-   binfmt-misc
-   blockdev/index
-   bootconfig
-   braille-console
-   btmrvl
-   cgroup-v1/index
-   cgroup-v2
-   cifs/index
-   dell_rbu
-   device-mapper/index
-   edid
-   efi-stub
-   ext4
-   nfs/index
-   gpio/index
-   highuid
-   hw_random
-   initrd
-   iostats
-   java
-   jfs
-   kernel-per-CPU-kthreads
-   laptops/index
-   lcd-panel-cgram
-   ldm
-   LSM/index
-   md
-   media/index
-   module-signing
-   mono
-   namespaces/index
-   numastat
-   parport
-   perf-security
-   pm/index
-   pnp
-   rapidio
-   ras
-   rtc
-   serial-console
-   svga
-   thunderbolt
-   ufs
-   vga-softcursor
-   video-output
-   xfs
+*   acpi/index
+*   aoe/index
+*   auxdisplay/index
+*   bcache
+*   binderfs
+*   binfmt-misc
+*   blockdev/index
+*   bootconfig
+*   braille-console
+*   btmrvl
+*   cgroup-v1/index
+*   cgroup-v2
+*   cifs/index
+*   dell_rbu
+*   device-mapper/index
+*   edid
+*   efi-stub
+*   ext4
+*   nfs/index
+*   gpio/index
+*   highuid
+*   hw_random
+*   initrd
+*   iostats
+*   java
+*   jfs
+*   kernel-per-CPU-kthreads
+*   laptops/index
+*   lcd-panel-cgram
+*   ldm
+*   LSM/index
+*   md
+*   media/index
+*   module-signing
+*   mono
+*   namespaces/index
+*   numastat
+*   parport
+*   perf-security
+*   pm/index
+*   pnp
+*   rapidio
+*   ras
+*   rtc
+*   serial-console
+*   svga
+*   thunderbolt
+*   ufs
+*   vga-softcursor
+*   video-output
+*   xfs
 
 .. only::  subproject and html