1. merge skyline-policy-manager into skyline-apiserver
2. move tests into skyline-apiserver
3. we will remove skyline-policy-manager after we merge
skyline-nginx into skyline-apiserver
Change-Id: Id57598f3726c891e399af81eb0383746f78386b5
The skyline-nginx is dependent on skyline-apiserver.
From the patch[0], we add aiosqlite into tool.poetry.dependencies.
So we need to re-generate the poetry.lock of skyline-nginx.
[0]: https://review.opendev.org/c/skyline/skyline-apiserver/+/803539
Change-Id: I82dc76ed286376d2c388e1dab95d4c24743d02f2