[DOC] The blog articles require a trailing /

[dblock]

What do you want to do?

Doesn't work: https://opensearch.org/blog/opensearch-performance-2.14
Works: https://opensearch.org/blog/opensearch-performance-2.14/

$ curl -I https://opensearch.org/blog/opensearch-performance-2.14
HTTP/2 404 

$ curl -I https://opensearch.org/blog/opensearch-performance-2.14/
HTTP/2 200 

[Naarcha-AWS]

@dblock: This issue belongs in the project-website repo. This repo only pertains specifically to the "Documentation" tab on opensearch.org.

@kolchfa-aws, since you're a maintainer in both repos, can you transfer this one?