style #13822 Add images to the Readme file (kulczy)
style #13822 Add images to the Readme file (kulczy)

This PR was merged into the 1.12-dev branch.

Discussion
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Add some images to the readme file

![readme-main](https://user-images.githubusercontent.com/15385420/161569022-05f0b13b-16cd-46f2-935b-a41efe5cba65.png)

![readme-plus](https://user-images.githubusercontent.com/15385420/161569035-f860a92a-1dcc-4002-ba82-51690ab913ef.png)

![readme-store](https://user-images.githubusercontent.com/15385420/161569040-cbbab219-ca53-471a-83b9-3f94dbe8f098.png)





Commits
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2ed9a2c745fbc81035257d8b013c8b10aeeb448d Add screens

diimpp/Sylius,diimpp/Sylius,loic425/Sylius,Zales0123/Sylius,loic425/Sylius,lchrusciel/Sylius,Zales0123/Sylius,SyliusBot/Sylius,SyliusBot/Sylius,SyliusBot/Sylius,lchrusciel/Sylius,101medialab/Sylius,Zales0123/Sylius,Sylius/Sylius,loic425/Sylius,Sylius/Sylius,diimpp/Sylius,Sylius/Sylius,101medialab/Sylius,101medialab/Sylius,lchrusciel/Sylius