* Add onepassword_doc lookup plugin
* Switch to a doc fragment
* Add unit test
* Update docs
* Move parameter validation to the OnePass object
This makes it built in for other lookup plugins using this class.
* Use kwargs for OnePass instantiation
There are enough parameters now that using them positionally can result in
odd behavior.
* Update tests
Correct conftest file name so fixtures are discovered and loaded correctly
Move constant so it doesn’t need to be imported
Add a patch since the parameter validation moved to part of the class init
* Use a lookup docs fragment
* Correct plugin description
