* Extend MariaDB instance parameters
* Fix linter
* Improve monitoring_instance_id field documentation
* Add documentation for graphite field
* Add Argus instance as example to monitoring_instance_id description
* Specify that a STACKIT monitoring instance is expected
* Extend LogMe instance parameters
* Update acc test
* Add more field descriptions
* Improve code and tests
* Add more fields to acc test
* Fix linter
* Add float parameter
* 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