Add badges, a contents list, and a screenshot caption; document every flag in a table, topic-resolution rules, the --since replay window, the publish form, and the adaptive pane layout. Add How it works, History and storage, and Troubleshooting sections, and correct the go install instructions.
Describe installing from the Arch and Debian packages, system-wide installs via PREFIX/DESTDIR, the packaging release flow, and add the new directories to the project layout.