Minima's header lists every titled page, so 404.html appeared in the menu.
Override the header to show a single link to the repository, and make the
404 page's home link respect baseurl.
Build the site from one source and deploy it to both hosts from GitHub
Actions, so neither depends on a host's default Jekyll toolchain.
- Gemfile/Gemfile.lock pin Jekyll 4.4.1 on Ruby 3.4; both workflows use
them, which keeps the two sites on an identical toolchain
- _config.yml carries the GitHub Pages url and baseurl, fixing asset
paths that previously resolved off-site; _config.cloudflare.yml layers
over it for the pages.dev root
- wrangler.jsonc declares the Pages project name and output directory
- 404.html gives both hosts a page for unmatched routes
- exclude README.md from the output and stop shipping CSS sourcemaps
tiennm99