Improve spacing

Author: TBlueF

README.md

@@ -44,4 +44,5 @@ This means we always can decide to not accept a PR for any reason.
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 [![JetBrainsLogo](https://bluecolored.de/paste/jetbrains-variant-4.svg)](https://www.jetbrains.com/?from=BlueMap)<br>
+<br>
 Special thanks to [JetBrains](https://www.jetbrains.com/?from=BlueMap) for giving out an OpenSource-Licence for BlueMap development!