bulk adjust canvas assignments on one page, or one spreadsheet, or one python interface

[kirbybrianj]

Is your feature request related to a problem? Please describe.
n/a

Describe the solution you'd like
be able to bulk adjust canvas assignments all in one view via extension, spreadsheet upload/download, or python interface

Additional context
canvas has a rudimentary solution for this, there is also a chrome extension or something https://community.canvaslms.com/t5/Higher-Ed-Users/Adjust-All-Assignment-Dates-on-One-Page/ba-p/263117