Add more German vocabularies (#124)

README.md

@@ -898,6 +898,7 @@ The use and distribution terms for [wilhelm-vocabulary]() are covered by the [Ap
 [GitHub workflow status badge]: https://img.shields.io/github/actions/workflow/status/QubitPi/wilhelm-vocabulary/ci-cd.yaml?branch=master&style=for-the-badge&logo=github&logoColor=white&label=CI/CD
 [GitHub workflow status URL]: https://github.com/QubitPi/wilhelm-vocabulary/actions/workflows/ci-cd.yaml
 
+[verbformen.com]: https://www.verbformen.com/
 [Vocabulary count - German]: https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fapi.paion-data.dev%2Fwilhelm%2Flanguages%2Fgerman%2Fcount&query=%24%5B0%5D.count&suffix=%20Words&style=for-the-badge&logo=neo4j&logoColor=white&label=German&color=4581C3
 [Vocabulary count - Latin]: https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fapi.paion-data.dev%2Fwilhelm%2Flanguages%2Flatin%2Fcount&query=%24%5B0%5D.count&suffix=%20Words&style=for-the-badge&logo=neo4j&logoColor=white&label=Latin&color=4581C3
 [Vocabulary count - Ancient Greek]: https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fapi.paion-data.dev%2Fwilhelm%2Flanguages%2FancientGreek%2Fcount&query=%24%5B0%5D.count&suffix=%20Words&style=for-the-badge&logo=neo4j&logoColor=white&label=Ancient%20Greek&color=4581C3

german.yaml

@@ -4250,6 +4250,14 @@ vocabulary:
       - [accusative, Freundin, Freundinnen]
   - term: einmal
     definition: (adv.) once
+  - term: gebühren
+    definition:
+      - to be due
+      - to be owed
+    audio: https://upload.wikimedia.org/wikipedia/commons/a/a4/De-geb%C3%BChren.ogg
+    verbformen:
+      conjugation: https://www.verbformen.com/conjugation/gebu3hren.pdf
+      flashcards: https://www.verbformen.com/conjugation/worksheets-exercises/lernkarten/gebu3hren.pdf
   - term: gebührend
     definition:
       - (adj.) befitting