内核开发指南入口文档目录优化

内核开发指南当前入口文档，比如shell命令占据大部分篇幅影响可读性，需要去掉，跳转到相应命令页面会显示特定的命令。
基本概念等重复较多的深层目录也去掉，提升入口文档易读性。
Signed-off-by: Nkenneth <zhushangyuan@huawei.com>

zh-cn/device-dev/kernel/Readme-CN.md

@@ -4,47 +4,22 @@
   - [内核概述](kernel-mini-overview.md)
   - [基础内核](kernel-mini-basic.md)
     - [中断管理](kernel-mini-basic-interrupt.md)
-      - [基本概念](kernel-mini-basic-interrupt-concept.md)
-      - [开发指导](kernel-mini-basic-interrupt-guide.md)
     - [任务管理](kernel-mini-basic-task.md)
-      - [基本概念](kernel-mini-basic-task-basic.md)
-      - [开发指导](kernel-mini-basic-task-guide.md)
     - [内存管理](kernel-mini-basic-memory.md)
-      - [基本概念](kernel-mini-basic-memory-basic.md)
-      - [静态内存](kernel-mini-basic-memory-static.md)
-      - [动态内存](kernel-mini-basic-memory-dynamic.md)
     - [内核通信机制](kernel-mini-basic-ipc.md)
       - [事件](kernel-mini-basic-ipc-event.md)
-        - [基本概念](kernel-mini-basic-ipc-event-basic.md)
-        - [开发指导](kernel-mini-basic-ipc-event-guide.md)
       - [互斥锁](kernel-mini-basic-ipc-mutex.md)
-        - [基本概念](kernel-mini-basic-ipc-mutex-basic.md)
-        - [开发指导](kernel-mini-basic-ipc-mutex-guide.md)
       - [消息队列](kernel-mini-basic-ipc-queue.md)
-        - [基本概念](kernel-mini-basic-ipc-queue-basic.md)
-        - [开发指导](kernel-mini-basic-ipc-queue-guide.md)
       - [信号量](kernel-mini-basic-ipc-sem.md)
-        - [基本概念](kernel-mini-basic-ipc-sem-basic.md)
-        - [开发指导](kernel-mini-basic-ipc-sem-guide.md)
     - [时间管理](kernel-basic-mini-time.md)
-      - [基本概念](kernel-mini-basic-time-basic.md)
-      - [开发指导](kernel-mini-basic-time-guide.md)
     - [软件定时器](kernel-mini-basic-soft.md)
-      - [基本概念](kernel-mini-basic-soft-basic.md)
-      - [开发指导](kernel-mini-basic-soft-guide.md)
   - [扩展组件](kernel-mini-extend.md)
     - [C++支持](kernel-mini-extend-support.md)
     - [CPU占用率](kernel-mini-extend-cpup.md)
-      - [基本概念](kernel-mini-extend-cpup-basic.md)
-      - [开发指导](kernel-mini-extend-cpup-guide.md)
     - [动态加载](kernel-mini-extend-dynamic-loading.md)
-      - [基本概念](kernel-mini-extend-dynamic-loading-basic.md)
-      - [开发指导](kernel-mini-extend-dynamic-loading-guide.md)
     - [文件系统](kernel-mini-extend-file.md)
       - [FAT](kernel-mini-extend-file-fat.md)
       - [LittleFS](kernel-mini-extend-file-lit.md)
-        - [基本概念](kernel-mini-extend-file-littlefs-basic.md)
-        - [开发指导](kernel-mini-extend-file-littlefs-guide.md)
   - [内核调测](kernel-memory-inner.md)
     - [内存调测](kernel-mini-memory-debug.md)
       - [内存信息统计](kernel-mini-memory-debug-mes.md)
@@ -94,11 +69,6 @@
     - [文件系统](kernel-small-bundles-fs.md)
       - [虚拟文件系统](kernel-small-bundles-fs-virtual.md)
       - [支持的文件系统](kernel-small-bundles-fs-support.md)
-        - [FAT](kernel-small-bundles-fs-support-fat.md)
-        - [JFFS2](kernel-small-bundles-fs-support-jffs2.md)
-        - [NFS](kernel-small-bundles-fs-support-nfs.md)
-        - [Ramfs](kernel-small-bundles-fs-support-ramfs.md)
-        - [Procfs](kernel-small-bundles-fs-support-procfs.md)
       - [适配新的文件系统](kernel-small-bundles-fs-new.md)
   - [调测与工具](kernel-small-debug.md)
     - [Shell](kernel-small-debug-shell.md)
@@ -107,62 +77,8 @@
       - [Shell命令编程实例](kernel-small-debug-shell-build.md)
       - [Shell命令使用详解](kernel-small-debug-shell-details.md)
         - [系统命令](kernel-small-debug-shell-cmd.md)
-          - [cpup](kernel-small-debug-shell-cmd-cpup.md)
-          - [date](kernel-small-debug-shell-cmd-date.md)
-          - [dmesg](kernel-small-debug-shell-cmd-dmesg.md)
-          - [exec](kernel-small-debug-shell-cmd-exec.md)
-          - [free](kernel-small-debug-shell-cmd-free.md)
-          - [help](kernel-small-debug-shell-cmd-help.md)
-          - [hwi](kernel-small-debug-shell-cmd-hwi.md)
-          - [kill](kernel-small-debug-shell-cmd-kill.md)
-          - [log](kernel-small-debug-shell-cmd-log.md)
-          - [memcheck](kernel-small-debug-shell-cmd-memcheck.md)
-          - [oom](kernel-small-debug-shell-cmd-oom.md)
-          - [pmm](kernel-small-debug-shell-cmd-pmm.md)
-          - [reset](kernel-small-debug-shell-cmd-reset.md)
-          - [sem](kernel-small-debug-shell-cmd-sem.md)
-          - [stack](kernel-small-debug-shell-cmd-stack.md)
-          - [su](kernel-small-debug-shell-cmd-su.md)
-          - [swtmr](kernel-small-debug-shell-cmd-swtmr.md)
-          - [systeminfo](kernel-small-debug-shell-cmd-sysinfo.md)
-          - [task](kernel-small-debug-shell-cmd-task.md)
-          - [uname](kernel-small-debug-shell-cmd-uname.md)
-          - [vmm](kernel-small-debug-shell-cmd-vmm.md)
-          - [watch](kernel-small-debug-shell-cmd-watch.md)
         - [文件命令](kernel-small-debug-shell-file.md)
-          - [cat](kernel-small-debug-shell-file-cat.md)
-          - [cd](kernel-small-debug-shell-file-cd.md)
-          - [chgrp](kernel-small-debug-shell-file-chgrp.md)
-          - [chmod](kernel-small-debug-shell-file-chmod.md)
-          - [chown](kernel-small-debug-shell-file-chown.md)
-          - [cp](kernel-small-debug-shell-file-cp.md)
-          - [format](kernel-small-debug-shell-file-format.md)
-          - [ls](kernel-small-debug-shell-file-ls.md)
-          - [lsfd](kernel-small-debug-shell-file-lsfd.md)
-          - [mkdir](kernel-small-debug-shell-file-mkdir.md)
-          - [mount](kernel-small-debug-shell-file-mount.md)
-          - [partinfo](kernel-small-debug-shell-file-partinfo.md)
-          - [partition](kernel-small-debug-shell-file-partition.md)
-          - [pwd](kernel-small-debug-shell-file-pwd.md)
-          - [rm](kernel-small-debug-shell-file-rm.md)
-          - [rmdir](kernel-small-debug-shell-file-rmdir.md)
-          - [statfs](kernel-small-debug-shell-file-statfs.md)
-          - [sync](kernel-small-debug-shell-file-sync.md)
-          - [touch](kernel-small-debug-shell-file-touch.md)
-          - [writeproc](kernel-small-debug-shell-file-write.md)
-          - [umount](kernel-small-debug-shell-file-umount.md)
         - [网络命令](kernel-small-debug-shell-net.md)
-          - [arp](kernel-small-debug-shell-net-arp.md)
-          - [dhclient](kernel-small-debug-shell-net-dhclient.md)
-          - [dns](kernel-small-debug-shell-net-dns.md)
-          - [ifconfig](kernel-small-debug-shell-net-ifconfig.md)
-          - [ipdebug](kernel-small-debug-shell-net-ipdebug.md)
-          - [netstat](kernel-small-debug-shell-net-netstat.md)
-          - [ntpdate](kernel-small-debug-shell-net-ntpdate.md)
-          - [ping](kernel-small-debug-shell-net-ping.md)
-          - [ping6](kernel-small-debug-shell-net-ping6.md)
-          - [telnet](kernel-small-debug-shell-net-telnet.md)
-          - [tftp](kernel-small-debug-shell-net-tftp.md)
       - [魔法键使用方法](kernel-small-debug-shell-magickey.md)
       - [用户态异常信息说明](kernel-small-debug-shell-error.md)
     - [Trace](kernel-small-debug-trace.md)