TODO:

• DONE! ability to kick admins
• DONE! show URL along with QR (trivial)
• DONE! document submission (not as trivial)
• DONE! enforce file size limit
• DONE! send email updates abt admin status
• DONE! profile with bio (just for fun)
• "allow multiple submissions" choice for events
• DONE! optimization: retrieve only existence of doc, not doc data
• DONE! export data to spreadsheet feature
• (de)activate events
• DONE! preserve navbar state
• DONE! fix issue: variable-time entries showing as 0 in My Hours
• DONE! important protect admin-only routes
• DONE! option to enable email notifs

Possible sources of future errors:

• session.userinfo not matching database after a setting update