freeside minimap

todo

part selection
- esp32-s3?
- screen
  - 128x128 color oled?
- input device
  - watch style crown encoder/button
- optional (as do not place):
  - lora
  - gps
  - uwb
sch/pcb design
pairing
- user to user, piqchat style
  - maybe some group functionality?
- btle with pin confirm for key transfer
e2ee
- storing tracks and mapping on a website might be desired?
map generation
- drawing vector osm?
- EMF map
UI stuff
- settings:
  - reset
  - brightness
  - battery status
- pairing
- group/friend info
on-device triangulation for enhanced privacy?
WiFi RTT on esp32??