Event_LCD Feature Pairity + Upgrades

https://github.com/dag10/EventLCD/

Thou shalt not sidegrade
## `esp` firmware
- [x] Loop to check connectivity
- [x] Break out setup code into functions
- [x] Create impl for display
- [ ] Option to set MAC address and other networking options
- [x] Gracefully handle inability to connect (Update display)
- [x] Re-try connecting to wifi
- [ ] Set backlight and other display options from server
- [ ] Flash backlight?
- [x] Scroll title
- [ ] Display multiple events (or just the next one?)

## `proxy` software
- [ ] Reservation feature

## Hardware
- [x] 4x20 display or better (can you find an [actual LCD](https://iotprojectsideas.com/esp32-smart-home-automation-using-dwin-hmi-display/))
- [ ] Control buttons to swap between screens?
- [ ] Thinner, Smaller footprint (requires PCB?)