* Remove CRUD method logic from PostgreSQL (first step of removal)
* remove comment
* removed unused vars and parameters
* move verb tense to the past
* also datasource
* apply change to credential
* improve error message, remove acc testing
* update docs
* Add internal ID structure to DSA instance descriptions
* Add internal ID structure to DSA credential descriptions
* Add internal ID structure to Argus descriptions
* Add internal ID structure to DNS descriptions
* Add internal ID structure to PostgresFlex descriptions
* Add internal ID structure to ResourceManager descriptions
* Add internal ID structure to SKE descriptions
* Generate updated docs
* Add first basis for migration guide