Adding Energyforecast.de as a data source#180

Merged

suaveolent merged 13 commits intomampfes:mainfrom moritzmair:main

Dec 10, 2024

Commits on Dec 8, 2024

changed api route to a special one for ha
moritzmair
committed

Commits on Dec 9, 2024

fixed test and added description to readme
moritzmair
committed

Commits on Dec 10, 2024