Changing sidebar title and favicon

Configuration Frontend
5
  1. I gave you a link to the thread mainly to show a direction.
  2. To learn smth, examples might be useful. There is a list of examples which might help you: go to the huge card-mod thread → 1st post → link at the bottom → scroll down the “themes” section → it will give you examples of using card-mod themes.
  3. As for the particular “change a title of a sidebar” task: one of these examples is styling a left sidebar (do not confuse with a right sidebar in a “sidebar dashboard layout”), and changing a title is there.
  4. In that example a title is dynamic and shows some “number of issues”:
    cdaeed7cbbf0ec5c4de5eb2711d5d7ad00799d2a
    just replace it with a static text.