Add geometry package with explicit margins and remove manual page
dimension adjustments. Enable double spacing via setspace and switch to
myheadings pagestyle. Redefine \frontmatter to start roman numbering at
page 4. Modify \maketitle to set page 3 and use singlespace for the
title page. Remove the explicit \frontmatter call from thesis.tex.
Grant workflow contents: write and packages: read permissions.
Add GitHub and Gitea release actions to publish thesis and proposal
PDFs as the 'latest' release on push.
Add server_url conditionals to dispatch builds to a GitHub
specific job and a Gitea-specific job. Add TeX Live caching,
checkout and bibtex handling in the Gitea job. Use appropriate
upload-artifact action versions for each platform.
