Merge branch 'opendilab' into 'master'

Opendilab

See merge request codechina/operation-work!106

explore/index.yml

@@ -2,8 +2,8 @@ banner:
 - link: https://codechina.csdn.net/courses/detail/1/l
   url: https://codechina.csdn.net/codechina/operation-work/uploads/3d1c29bc9e4003473c6f746c075722cb/Git%E5%9F%BA%E7%A1%80%E5%85%A5%E9%97%A8.jpg
 groups:
-- codechina
 - csdn
+- codechina
 - taosdata
 - apachecn
 - dcloudio
@@ -16,7 +16,7 @@ groups:
 - OpenXiangShan
 - sureness
 - chatopera
-- OpenDILab
+- opendilab
 learning_banner:
 - link: https://codechina.csdn.net/courses
   url: https://codechina.csdn.net/codechina/operation-work/uploads/38be577289ba8800a9caa233416cd4b6/1920x480_1_.png