Update BackTunnel PKGBUILD: add profile management, improve script installs, and enhance Plasma integration

backtunnel/backtunnel.install

@@ -9,6 +9,20 @@ post_install() {
   elif command -v kbuildsycoca5 >/dev/null 2>&1; then
     kbuildsycoca5 --noincremental >/dev/null 2>&1 || true
   fi
+
+  cat <<'EOF'
+==> BackTunnel profiles
+    Per-user:   ~/.config/backtunnel/profiles.ini
+    System-wide: /etc/backtunnel/profiles.ini
+    Example:     /usr/share/backtunnel/profiles.ini
+
+    To create a per-user config from the example, run:
+      backtunnel-init
+    or manually:
+      mkdir -p ~/.config/backtunnel
+      cp /usr/share/backtunnel/profiles.ini ~/.config/backtunnel/profiles.ini
+      # then edit ~/.config/backtunnel/profiles.ini
+EOF
 }
 
 post_upgrade() {