Pages links point at docs.solidcraft.io: Flatpak repository, help and troubleshooting (#1922)

Thanks @CamWight.

apps/solidcraft/src/startup.rs

@@ -199,7 +199,7 @@ pub fn no_window_message(error: &str, settings: Option<&Path>) -> String {
          - Over Remote Desktop or in a virtual machine, enable 3D acceleration or run it on the machine itself.\n\
          - Start it once with `solidcraft --safe-mode`.\n\
          - Rename the settings folder: {folder}\n\n\
-         More: https://bherbruck.github.io/solidcraft/guide/troubleshooting.html"
+         More: https://docs.solidcraft.io/guide/troubleshooting.html"
     )
 }