Update README.md

README.md

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 ## License
 
 [AGPL](https://www.gnu.org/licenses/agpl-3.0.en.html)
+
+# Acknowledgments
+The authors would like to thank the Federal Government and the Heads of Government of the Länder for their funding and support within the framework of the [Platform Material Digital](https://www.materialdigital.de) consortium. Funded by the German [Federal Ministry of Education and Research (BMBF)](https://www.bmbf.de/bmbf/en/) through the [MaterialDigital](https://www.bmbf.de/SharedDocs/Publikationen/de/bmbf/5/31701_MaterialDigital.pdf?__blob=publicationFile&v=5) Call in Project [KupferDigital](https://www.materialdigital.de/project/1) - project id 13XP5119.
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