Update README.md

Author: Anvell

README.md

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 Harmonic and flow inducing color scheme which is gentle for your eyes. 
 
 Intended to be used with [Dark theme](https://www.jetbrains.com/help/idea/new-ui.html) from IntelliJ new UI.
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+![](https://raw.githubusercontent.com/Anvell/intellij-dune-theme/main/marketplace/screenshot_01.png)