docs: direct links to Gitverse tasks for each bug

docs: prep issue drafts; link tasktracker from README

ci(gitverse): install Chrome via apt, propagate pytest exit code

Initial commit: RPG battle royale (final assignment)

ci: align tests.yml with gitverse actions; tidy README

first_commit

create: task.css, task.html, task.js, task.css, task.html, task.js, task.css, task.html, task.js