sensor updates and nightscout uploader

[sedy89]

Features

Nightscout uploader

• added optional nightscout uploader to integration setup page
  • requires Nightscout URL and API Secret
• uploader is getting called if valid data was received by the carelink integration
• uploads device status, treatments, basal, bolus, autobolus, messages, alerts, alarms and SG values
• added verification check in config flow
• updated language files and readme

Carelink

• added two new sensors
  • Glucose delta, shows the delta between the current and the previous valid SGs
  • Glucose update sensor, shows the timestamp of the last valid SG and updates only if new valid SG is available
• modified sensor
  • previous "last glucose" was renamed to "last update" and shows the last timestamp from pump received from carelink servers
• improved token expire check
  • switched to timezone aware timestamps
• modified test methods to run in dev container due to deprecated functions

[yo-han]

Looks good. Let's release it as a beta release so more people can use and test it.

[sedy89]

Looks good. Let's release it as a beta release so more people can use and test it.

That's a good idea! Thank you 😊