更新 README.md 和 package-windows.ps1，新增所需运行时 DLL 文件 re2.dll

Author: Mq-b

README.md

@@ -95,6 +95,7 @@ cmake --build build
 - `windeployqt` 部署后的 Qt 运行库
 - `onnxruntime*.dll`
 - `abseil_dll.dll`
+- `re2.dll`
 - `libprotobuf-lite.dll`
 - `libprotobuf.dll`
 - `README.md`

scripts/package-windows.ps1

@@ -34,6 +34,7 @@ $zipPath = Join-Path $distDir "$packageName.zip"
 $requiredRuntimeDlls = @(
     "onnxruntime.dll",
     "abseil_dll.dll",
+    "re2.dll",
     "libprotobuf-lite.dll",
     "libprotobuf.dll"
 )