Revert unintended changes to main README

Author: RichardChukwu

README.md

@@ -179,6 +179,7 @@ components in a release see:
 For detailed changes and version history, see the [Changelog](https://github.com/open-telemetry/opentelemetry-dotnet/blob/main/CHANGELOG.md).
 
 
+
 Nightly builds from this repo are published to [MyGet](https://www.myget.org),
 and can be installed using the
 `https://www.myget.org/F/opentelemetry/api/v3/index.json` source.