ipadnsrecord: Fix documentation sections and agument spec

ansible-test with ansible-2.14 is adding a lot of new tests to ensure
that the documentation section and the agument spec is complete. Needed
changes:

DOCUMENTATION section

- `type: str` needs to be set for string parameters
- `type: list` needs to be set for list parameters
- `elements: str` needs to be given for list of string parameters
- `type: string` is not valid and needs to be replaced by `type: str`
- `suboptions` instead of `options` needs to be used for dict parameters
- `authors` needs to be given with the github user also: `Name (@user)`
- `choices` needs to match `argument_spec`
- `description` needs to match parameter
- all parameters need to be defined

argument_spec

- `elements="str"` needs to be added to all list of string parameters
- `no_log=False` or `no_log=True` needs to be set for all parameters
  that have `key` in the name or for dicts also in one the key names
- `elements="dict"` needs to be added to all list of dict parameters

The `copyright` date is extended with `-2022`.