Snapshot of UBIKhr/web before stripping non-blog content.

This tag captures the state when blog.ubik.hr was still a full Hugo
site (members, consulting, arbitration, contact, become-a-member,
blog) inherited from the pre-Gatsby ubik.hr.

Restore with:
  git checkout backup/pre-blog-cleanup

Snapshot of the built gh-pages site before non-blog content removal.