Add img of RTK device with external radio.

Merge branch 'main' of https://github.com/sparkfun/SparkFun_RTK_Firmware

Update menu_wifi.md

Update compile-release.yml

Merge pull request sparkfun#365 from sparkfun/release_candidate

Release candidate

Merge pull request sparkfun#365 from sparkfun/release_candidate

Release candidate

Revert to ESP32 core v2.0.2 for RAM usage

Merge pull request sparkfun#333 from sparkfun/release_candidate

Release v2.5 - Add TCP and extend AP config

Update ESP-Now docs

Merge pull request sparkfun#307 from sparkfun/release_candidate

Merge v2.4 release candidate