Add missing Arch update script 🔄

bin/arch-updates.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if command -v "yay"; then
+  # Makes yay update and download new packages without installing them
+  # --noconfirm makes it non-interactive
+  # --sudo="true" replaces any unneeded sudo request with a call to true (noop)
+  yay -Syuw --noconfirm --sudo="true"
+
+  # Launch pamac-tray to notify the user if there's any update
+  # ToDo: check if pamac-tray exists,
+  # ToDo: otherwise check prev cmd exit code and use notify-send
+  pamac-tray &>/dev/null
+else
+  exit 1
+fi