Tags

Formatting fixes, Background images and viewport control buttons

Compatibility fixes and LGPL license

Fixed
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-   psy-view is now compatible with psyplot 1.4.0

Added
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-   psy-maps does now have a CITATION.cff file, see <https://citation-file-format.github.io>

Changed
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-   psy-view is now officially licensed under LGPL-3.0-only, see [#58](https://github.com/psyplot/psy-view/pull/58)
-   Documentation is now hosted with Github Pages at <https://psyplot.github.io/psy-view>. Redirects from the old documentation at [https://psy-view.readthedocs.io]{.title-ref} have been configured.
-   We use CicleCI now for a standardized CI/CD pipeline to build and test the code and docs all at one place, see [#57](https://github.com/psyplot/psy-view/pull/57)

First official release

First official beta release

First pre-alpha on mistral