Update README.md

Author: stefanbuck

README.md

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 Thanks for taking the time to report your problem. Please head over to the issues section and [fill your issue there](https://github.com/pullrequestbadge/support/issues/new). Thank you.
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+# What is Pull Request Badge?
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+![Pull Request Badge example](https://user-images.githubusercontent.com/1393946/109402111-72c9b400-7953-11eb-99a5-3f1813e8352f.png)
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+Pull Request Badge lets you programatically insert badges in your pull request descriptions and then link them to anything. Got to [pullrequestbadge.com](https://pullrequestbadge.com/?utm_medium=github&utm_source=support-repo&utm_campaign=readme) to learn more. 
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