Better quality image, centre align

Author: ewels

README.md

@@ -60,8 +60,12 @@ See the [example docs](https://seqeralabs.github.io/node-red-seqera/examples/) f
 
 Prefer video to text? Check out the [YouTube Playlist of tutorial videos](https://youtube.com/playlist?list=PL_mgzF8qwHud1pOSurWKO8eDJIqE-_NHi&si=StMNRsyMa9JOjBa8), taking you through installation, Node-RED fundamentals and the different examples!
 
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 [![YouTube tutorial playlist](docs/img/youtube-tutorials-introduction.png)](https://youtube.com/playlist?list=PL_mgzF8qwHud1pOSurWKO8eDJIqE-_NHi&si=StMNRsyMa9JOjBa8)
 
+</div>
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 # Quick start
 
 > [!NOTE]