Update README.md

ripexz · web-flow · commit 3014da25243b · 2020-02-28T20:10:59.000+01:00
diff --git a/README.md b/README.md
@@ -3,6 +3,8 @@ Python Tkinter Minesweeper
 
 Minesweeper game written in Python using Tkinter GUI library.
 
+<img src="https://i.imgur.com/8JwCyAQ.png" alt="Screenshot on OSX" height="350"/>
+
 Contents:
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