Add always-on ntfy completion notify rule for codex topic.

scripts/ntfy.ps1

@@ -0,0 +1,17 @@
+# Quick ntfy helper for this repo
+# Usage:
+#   .\scripts\ntfy.ps1 "标题" "正文"
+#   .\scripts\ntfy.ps1 -Title "ok" -Message "done" -Tags "white_check_mark"
+
+param(
+  [Parameter(Position = 0)]
+  [string]$Title = "serverinfotest",
+  [Parameter(Position = 1)]
+  [string]$Message = "done",
+  [string]$Tags = "white_check_mark",
+  [string]$TopicUrl = "https://ntfy.dsx2020.com/codex"
+)
+
+$ErrorActionPreference = "Stop"
+curl.exe -sS -H "Title: $Title" -H "Tags: $Tags" -d $Message $TopicUrl
+Write-Host ""