📣 borb release notes

• Added pretty much all the LayoutElement implementations to the easy imports.
• Added a LayoutElement called Map with implementations MapOfEurope, MapOfTheUnitedStates and MapOfTheWorld. These LayoutElement instances draw a map of their respective territories, and allow you to mark one or multiple components with a different fill_color, stroke_color and line_width.
• Fixed tests related to unsplash API.
• Added tests for A4PortraitTemplate.
• Added tests for A42ColumnPortraitTemplate.
• Added tests for SlideTemplate.
• Added TestCreateFullSlideTemplate. Check out this TestCase if you want a concrete example of how to use SlideTemplate to produce a beautiful slideshow in PDF.