fix(install-arje): clang-devel en la lista de dev-libs para libclang.so

Sin clang-devel, los crates *-sys que corren bindgen (libinput-sys,
wayland-sys) fallan en runtime con 'couldn't find libclang.so'. El
mensaje de WARN ahora lo lista explícitamente.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

scripts/install-arje-as-init.sh

@@ -98,7 +98,9 @@ else
   echo "  Probablemente faltan dev-libs en Fedora. Instalá y reintentá:" >&2
   echo "    dnf install -y mesa-libGL-devel mesa-libgbm-devel libdrm-devel \\" >&2
   echo "      libxkbcommon-devel wayland-devel libinput-devel systemd-devel \\" >&2
-  echo "      libseat-devel" >&2
+  echo "      libseat-devel clang-devel pkgconf-pkg-config" >&2
+  echo "  (clang-devel es para libclang.so que necesitan los bindgen de" >&2
+  echo "   libinput-sys/wayland-sys)." >&2
 fi
 BIN_DIR="$REPO_DIR/target/$TARGET/release"
 EX_DIR="$BIN_DIR/examples"