feat(blog): recreate article footer navigation and related posts

- add reusable live-site-faithful blog footer component
- extract previous, next, and related post data from article content
- remove duplicated footer fragments from multilingual articles
- document the repeatable footer extraction workflow

www/src/content/blog/en/critical-thinking-skills.md

@@ -34,25 +34,3 @@ Applied Behavior Analysis is “ the process of systematically applying interven
 It is okay for our children to make errors, however, as caregivers and parents, we should create learning opportunities for our children, give them the emotional support they need and model proper responses.
 
 For more information on how to manage aggressive behavior and proper communication, connect with us by sending your messages and questions to [hello@azinsitute4autism.com](mailto:hello@azinsitute4autism.com) or contact us directly from our contact page.
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-###### [November AIA Update](november-2022-aia-update)
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-###### [New Year Goals for Our Children with Autism](new-year-goals-2023)
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