[Feature Request] Sort/Filter items by location on Summary page

[RiderExMachina]

Add a drop-down or setting to easily filter items by location.

Will be complete if this can be set and kept in LocalStorage by the Settings Page

[RiderExMachina]

Steps to complete

• [ ] Add dropdown that changes content
  • [ ] Edit app.py
  • [ ] Edit index.jinja
  • [ ] Create new JS to handle changes
• [ ] Save dropdown item as default
  • [ ] Save button within modal?
  • [ ] Setting within Settings Page?
• [ ] Default dropdown item loads when browser restarted/reopened