Revert "Remove blog test post"

This reverts commit 7b2549dcafed4bf8707b8767a8258336b28a13b0.
Revert "Testing blog post"

This reverts commit fb232a5825e30309d72f3ec1044930bf4b977961.
Revert "Remove related post, add social media buttons and comments module"

This reverts commit e30c8f907d5920bb58f6afaf09a659d672a5a8aa.