Complete register publication process

[lmrodriguezr]

• [x] Visualize editorial checks
• [ ] Implement Register#post_publication
• [ ] Setup GT registry repository
• [ ] Setup UQ registry repository
• [x] Setup DOI registration through UIBK library
• [x] Implement RegistersController#publish
• [x] Add "how to cite" to published register pages

[lmrodriguezr]

Also: Highlight major changes (e.g., spelling changes or neotype), which should feature more prominently in the name page