* adds deductable_surface to EcoAccount model to provide an easy way to change the deductable amount from an account -> depends on external funding e.g. with AktionBlau or similar
* adds overview of deducted and deductable volume to detail view
* adds check to eco account model, so the deductable_surface can never be larger than the total amount of after_state surface sum
* adds german formating for python logic based number formating
* adds/updates translations
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