Maintainer: new reviewer applies to join.

Author: GorrayLi

MAINTAINERS

@@ -71,11 +71,15 @@ owners: Yuqiang Wang(kurisaW)<2053731441@qq.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: maintainers
 path: MAINTAINERS