Add verification to omarchy-pkg-add and speed up installs

bin/omarchy-pkg-add

@@ -1,8 +1,12 @@
 #!/bin/bash
 
+sudo pacman -S --noconfirm --needed "$@" || exit 1
+
 for pkg in "$@"; do
+  # Secondary check to handle states where pacman doesn't actually register an error
   if ! pacman -Q "$pkg" &>/dev/null; then
-    sudo pacman -S --noconfirm "$pkg" || exit 1
+    echo -e "\033[31mError: Package '$pkg' did not install\033[0m" >&2
+    exit 1
   fi
 done