23 sp update

See merge request !6

Update pmp 23 wi

See merge request accessibility-website!3

Replaced master with main

See merge request accessibility-website!2

Updated description of grading in syllabus

See merge request accessibility-website!1

Merge branch 'CSE590b-23WI' of https://gitlab.cs.washington.edu/pmp-accessibility/website into CSE590b-23WI

Fixed problems with dates

See merge request pmp-accessibility/website!34

A lot of changes to the main website as well as class materials for this week.

See merge request pmp-accessibility/website!33

Merge branch 'CSE590b-23WI' of https://gitlab.cs.washington.edu/pmp-accessibility/website into CSE590b-23WI

Merge branch 'data-equity' of https://gitlab.cs.washington.edu/pmp-accessibility/website into data-equity