* Error for cgroup mountpoint
Added handling of message: cgroup mountpoint does not exist.
* Case for error cgroup
Added case and case description for: Cgroup Mountpoint Does Not Exist
* Case for Runc
Added error handling for Runc, which does not work in cgroup v2.
Changed numbering of new errors.
* stdErr handling fot run_container
Enabling stdErr handling fot run_container.sh
* change for stdErr handling
* Another place to handle the error 211
Another place to handle the error: ServerRuncNotWorkOnCgroupsV2
* test_1
* test 2
* test 3
* Moving error handling
Moving error handling to the right place in the controller.
* Polishing
* Еext correction
Сorrection of description text.