IssueNo: https://gitee.com/openharmony/startup_init_lite/issues/I6K21Q

Description: add extension type
Sig: SIG_ApplicaitonFramework
Feature or Bugfix: Feature
Binary Source: No
Signed-off-by: Nxuanfeng8 <lifeng54@huawei.com>

services/etc/group

@@ -132,3 +132,4 @@ dev_vibrator:x:3080:
 vcodec:x:3073:
 dev_camera:x:3090:
 servicerouter:x:6066:
+push:x:6103:
\ No newline at end of file

services/etc/passwd

@@ -129,3 +129,4 @@ dev_vibrator:x:3080:3080:::/bin/false
 vcodec:x:3073:3073:::/bin/false
 dev_camera:x:3090:3090:::/bin/false
 servicerouter:x:6066:6066:::/bin/false
+push:x:6103:6103:::/bin/false
\ No newline at end of file