Use shelly instead of pacman

LazyVim.sh

@@ -1,5 +1,13 @@
 #!/usr/bin/bash
 
+# Detect fish shell and ask user to switch to bash (bash-only syntax)
+if [ -n "${FISH_VERSION:-}" ] || case "$SHELL" in *fish*) ;; *) false ;; esac; then
+  echo "Warning: fish shell detected."
+  echo "This script is written for bash and may have syntax issues under fish."
+  echo "Please switch to bash first and re-run it, e.g.: bash $0"
+  read -r -p "Press Enter to continue anyway, or Ctrl+C to cancel..." </dev/tty || true
+fi
+
 if ! command -v pacman >/dev/null; then
   echo "Cannot proceed: Not a arch based system"
   echo "This script does not have debian support"