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/36672200b59883cb2dd92b8c05f5a2fdd811f6b1/examples/arduino/libraries You should set ROOT_URL correctly, otherwise the web may not work correctly.
 
 
 
 
 
 
esp-link/examples/arduino/libraries
Karai Csaba 36672200b5 Simple LED control sample 9 years ago
..
EspLink Simple LED control sample 9 years ago
readme.txt EspLink arduino library 9 years ago

readme.txt

For information on installing libraries, see: http://www.arduino.cc/en/Guide/Libraries