chore: add push-to-gitea.ps1 for shumengya.top

Made-with: Cursor

scripts/push-to-gitea.ps1

@@ -0,0 +1,9 @@
+# 在已执行 tea repos create 创建 mengpost 后，关联 https://shumengya.top/shumengya/mengpost 并推送 main
+$ErrorActionPreference = "Stop"
+$Origin = "https://shumengya.top/shumengya/mengpost.git"
+Set-Location (Split-Path -Parent $PSScriptRoot)
+
+git remote remove origin 2>$null
+git remote add origin $Origin
+git branch -M main
+git push -u origin main