Update index.md

dokumentit/Management-Plan/index.md

+# Management Plan
+
+## Creating backups (how, when, where, by whom)
+
+## Partitioning, disk usage
+
+## DB optimization (creating indexes etc.)
+
+## Maintenance of database
+
+## Users, user roles and their rights
+
+## Other database administator (DBA) tasks/ duties