Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/music-synthesizer-for-android/commits/branch/webaudio/wiki
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Add the files in the wiki repository as a subdirectory. Note, these
are still in wiki format, and should be changed to Markdown to be
more useful. But this commit just restores what was there before.
Raph Levien