Feature: Use Postgres LTREE for groups hierarchy

[Arvindh]

Is your feature request related to a problem? Please describe.

Reference: #1980

Describe the feature you are requesting, as well as the possible use case(s) for it.

Implmentation

• Create Extension LTREE in postgres
• Add a column with name path and type as LTREE
• While inserting new row
  If the inserting new row have no parent . path column should have value of id
  If the inserting new row have parent, Get the path column should have parent path + .+ id
• Retrieve Ancestors / Parents and Descendants / Children by using the below given in #1980

Indicate the importance of this feature to you.

Should-have

Anything else?

No response