[New Feature]: Automatically send new weather reports when a weather alert is in effect for tomorrow

[nicomontanari]

Describe your proposal

When a new weather alert is released for tomorrow check automatically if a new Estofex or Pretemp report is released and send it to the created channel.

Pretemp website: https://pretemp.altervista.org/
Estofex website: https://www.estofex.org/
Estofex forecast xml: http://www.estofex.org/cgi-bin/polygon/showforecast.cgi?xml=yes
Estofex forecast image: http://www.estofex.org/cgi-bin/polygon/showforecast.cgi?lightningmap=yes

Technical details

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