v5.0 new Website inc History

Connect the OpenCO2 Sensor to your home Wi-Fi via the Menu. Then Navigate to http://[IP]:9925 to view current values and an up to 24h history graph for CO2 (every 30 sec) and temperature / humidity (every 1.5 min).

Also enlarged Clock and moved Wi-Fi Symbol

Update WiFiManager tzapu/WiFiManager@v2.0.16-rc.2...v2.0.17

Full Changelog: v4.6...v5.0