logrotate: add logrotate functionality for csi

1) Make main container and csi addons container
   log to a file(dependency on klog)

2) Add a log-rotate sidecar container,
   so it can rotate the logs

3) Added other volume and volumemounts as needed

4) Added the privileged option for controllerplugin

5) Add resources to the logrotate container

6) make the api change in the merge function

Signed-off-by: parth-gr <partharora1010@gmail.com>