Update README.md

Author: Pavel Laptev

README.md

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 # Markdown Theme Shell
 
-![rep preview preview](public/img/rep-preview.jpg)
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 ## Motivation
 
 Often, while working on a design system or other design-documents, we have to keep detailed documentation. This is useful not only for structuring existing files, but it **becomes a single source of truth** that not only designers, but also managers and developers look at. And there is a need for collective file editing.
@@ -16,6 +14,8 @@ If you are looking this page not from GH pages here is a:
 
 ### Video tutorial — [youtu.be/zQknZiW84dQ](https://youtu.be/zQknZiW84dQ)
 
+![rep preview preview](public/img/rep-preview.jpg)
+
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 ### Authors