* feat: academicCalendars object
* feat: seemingly working start, end, and until dates
* feat: seemingly working everything
* style: removed unnecessary deps, reorganized code
* style: code comments yay
* chore: old version of pnpm?
* ci: force github actions to rerun
* feat: list instructors in ics string, basic tests
* feat: testable code for ICS, tests for ICS, filter excluded dates
* style: eslint autofix
* test: check for graceful handling of errors in ICS
* fix: actually use scheduleToIcsString
* chore: eslint didn't include a space where it should've
* fix: ensure tz everywhere
* refactor: move string util to string util file
* feat: em dash in calendar event title
* feat: academic calendars 22-23 and 23-24
* fix: en dash instead of em dash
