website: make-release.md: Added step to check the packages in NuGet P…

…ackage Explorer to ensure Source Link settings are valid.

websites/site/contributing/make-release.md

@@ -1,4 +1,4 @@
----
+---
 uid: contributing/make-release
 ---
 
@@ -171,6 +171,9 @@ Perform basic checks against the release binary:
 
 - Check the `nupkg` files to ensure they can be referenced in Visual Studio.
 
+- Check the `nupkg` files in NuGet Package Explorer to ensure all 3 badges (Source Link, Deterministic, and Valid) are green.
+  - Ensure that the repository URL is https://github.com/apache/lucenenet. If the URL is wrong, these are not the original packages you downloaded from Azure DevOps, and you should proceed only with the originals.
+
 ### Sign the Release
 
 - On your local Git clone, check out the SVN distribution repositories