Feature-9904: Enhancing NG-UI to enable Juju operational view dashboard

Integrated functions implemented in n2vc module for
actions list, configs list and executed actions/history of actions

Change-Id: I25db0d9fe4535b9908883a6f2175c3e80997e7cf
Signed-off-by: ksaikiranr <saikiran.k@tataelxsi.co.in>