* initial crude new relation files

* add relation in metadata and charm usage

* rename to same schema as others

* other renames

* removed misplaced warning

* new methods

* more relation attributes, user naming convention, user removal

* fix version getting

* remove misplaced test and move execution order

* fix f-string

* missing comma

* render ro endpoints correctly

* use server-config

* add property to check cluster initialization

* added constant to keep consistency

* s/_charm/charm

* defer case when cluster is not initialized

* set workload version

* bump dp-provides lib

* bump version

* better typing and abstract method raise on call

* increase coverage (new and old methods)

* happy linter

* sorting to ensure order for unit testing

* fix test

* real data

* database unit tests

* address pr comments #1

* addressed PR comments #2

* happy linter