Add an update confirmation

Will prevent some users from accidentally clicking the update icon only
to terminate and wind up in a broken state.

bin/omarchy-update

@@ -4,6 +4,21 @@ set -e
 
 trap 'echo ""; echo -e "\033[0;31mSomething went wrong during the update!\n\nPlease review the output above carefully, correct the error, and retry the update.\n\nIf you need assistance, get help from the community at https://omarchy.org/discord\033[0m"' ERR
 
+gum style --border rounded --border-foreground 6 --padding "1 2" --margin "1 0" \
+  "Ready to update Omarchy?" \
+  "" \
+  "• You cannot stop the update once you start!" \
+  "• Make sure you're not on battery power or have sufficient charge"
+
+if ! gum confirm --default=false \
+  --prompt.foreground=6 \
+  --selected.foreground=0 --selected.background=2 \
+  --unselected.foreground=0 --unselected.background=7 \
+  "Continue with update?"; then
+  echo "Update cancelled"
+  exit 0
+fi
+
 omarchy-snapshot create || [ $? -eq 127 ]
 omarchy-update-git
 omarchy-update-perform