Maintainer: new reviewer applies to join.

Author: GorrayLi

MAINTAINERS

@@ -59,11 +59,15 @@ owners: Chen Wang(unicornx)<unicorn_wang@outlook.com>
 
 tag: documentation
 path: documentation
-owners: Chen Wang(unicornx)<unicorn_wang@outlook.com>
+owners: Chen Wang(unicornx)<unicorn_wang@outlook.com>, Guorui Li(GorrayLi)<liguorui1213@163.com>
+
+tag: kernel
+path: src
+owners: Guorui Li(GorrayLi)<liguorui1213@163.com>
 
 tag: libc
 path: components/libc
-owners: Meco Jianting Man(mysterywolf)<920369182@qq.com>
+owners: Meco Jianting Man(mysterywolf)<920369182@qq.com>, Guorui Li(GorrayLi)<liguorui1213@163.com>
 
 tag: rvlibcpu
 path: libcpu/risc-v