Needs approval from an approver in each of these files:
- ~~[debian/deepin/OWNERS](https://github.com/linuxdeepin/dtk/blob/master/debian/deepin/OWNERS)~~ [kegechen]
Approvers can indicate their approval by writing `/approve` in a comment
Approvers can cancel approval by writing `/approve cancel` in a comment
Add submodules qt5integration and qt5platform-plugin.
Log: add submodules