* Refactor CardInfo Widgets to reside in their appropriate folder and to have a clearer naming structure.
* Add optional HoverToZoom functionality to CardInfoPictureWidget (default: disabled) and utility class to display text over a CardInfoPictureWidget.
* Patch CardInfoWidgets to use the new CardDatabaseManager.
* Add HoverToZoom to CardInfoPictureWithTextOverlayWidget
* Refactors and new signals for CardInfoPictureWidgets.
* Address pull request comments (nullptr checks and additional comments, mostly.)
* Reformat code so the linter will stop yelling at me.
* Linting.
* Fix the build.
* Fix warnings.
* Formatting, const qualifiers.
* Sensibly call the base class's (QWidget) paint event.
* Address PR comments (card picture).
* QT Version check because enterEvent signature changed.
* Linting.
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Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>
