Add link to LVA on VoWi in TISS on course page as well as in favorites.
当前为
Adds a new link "Zum VoWi" after "Zum LVA-Forum" on the course page and in the overview. The link takes you directly to the VoWi page of the LVA (if it exists).
See also https://github.com/lukas0907/tuwgm
