feat(scoreboard): add radar chart

fix(config): add default values for env vars to support testing

docker: bump python from 3.12-bookworm to 3.14-bookworm (#57)

ci: bump actions/checkout from 4 to 6 (#56)

ci: bump codecov/codecov-action from 4 to 5 (#55)

ci: bump actions/cache from 4 to 5 (#54)

ci: bump actions/setup-python from 5 to 6 (#53)

refactor!: restructure codebase into layered architecture

dockerfile: update time API url

refactor(ctftime): add create_discord_events

typo: fix comment

enhance(leaderboard): make our team stand out in the table

dockerfile: update time API url

chore: bump actions/cache to v4

enhance(bookmark): use Discord's message forwarding feature (closes #50)