add social sharing images for pages that don't have them

[mattstratton]

• https://www.arresteddevops.com/blogs/
• https://www.arresteddevops.com/podcasts/
• https://www.arresteddevops.com/books/ (also needs a description field)
• https://www.arresteddevops.com/about/ (also needs a better description field)
• https://www.arresteddevops.com/contact/ (also needs a better description field)
• https://www.arresteddevops.com/faq/ (also needs better description)
• https://www.arresteddevops.com/thanks-pals/ (also needs better description)

[bridgetkromhout]

Is this still something we're interested in?

[mattstratton]

I don't care about this anymore :)