Update project ideas (#405)
Update project ideas (#405)

* add 2022 poster

* add people 2021

* update past google of code reports page

* project ideas

* update project ideas

* update

Co-authored-by: Barb Cutler <Barb Cutler>
Submitty/submitty.github.io,Submitty/submitty.github.io,Submitty/submitty.github.io,Submitty/submitty.github.io