Add image links to original image

[david-martin]

The images in the blog post #67 are difficult to read the legend on.
This change makes the images links to the original (larger in this case) image size.

I've also renamed the file for that blog post to match the directory name (and included info in the README about this) so that the path doesn't include extra nesting.

[openshift-ci]

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[jasonmadigan]

@david-martin looking at the preview, we seem to have two links to that post now:

https://deploy-preview-69--relaxed-faloodeh-7fa6f1.netlify.app/blog/

Old doc still there? Looks like it's seen as a new file rather than rename

[david-martin]

looking at the preview, we seem to have two links to that post now:

@jasonmadigan Fixed. The file rename actually added a 2nd file.
I've stepped through the rename in 2 commits and seems to be working now.

[jasonmadigan]

/lgtm