Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/esp-link/src/commit/c81aaa5b083908a3a7eb8c894402069dc6f1f408/arduino/libraries/readme.txt
You should set ROOT_URL correctly, otherwise the web may not work correctly.
For information on installing libraries, see: http://www.arduino.cc/en/Guide/Libraries
