Add German IPA Transcriptions

[ghost]

German IPA transcriptions could be used to improve the App. They could be optionally displayed and should be easy to implement.

The IPA transcriptions from Wiktionary are very accurate and there are more than 600,000 words with its transcriptions. All the German IPA transcriptions can be downloaded here in .txt format:

https://mega.nz/file/cVg1iAKJ#xB_qoctX9eYaD5JDfiqLnYh4PWKdpEOL_J4fkBGubFY

They were obtained from: https://github.com/bmilde/wiktionary_ipa_phoneme_lexicons

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IPA Transcriptions from www.dwds.de are also available. They were scraped and published as a .txt file:

https://mega.nz/file/0UhGXazI#4TNAYAFQZ5SL_25uS9nc8SHn1RcNHcPtQnYikNJNmcw
from: https://zhuanlan.zhihu.com/p/372024872