[clang] [clang-format] Add new option: WrapNamespaceBodyWithNewlines (PR #106145)

[Björn Schäpers via cfe-commits]

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@@ -5057,6 +5057,21 @@ struct FormatStyle {
   /// \version 11
   std::vector<std::string> WhitespaceSensitiveMacros;
 
+  /// Insert a newline at the begging and at the end of namespace definition
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HazardyKnusperkeks wrote:

```suggestion
  /// Insert a newline at the begging and at the end of namespace definition.
```

https://github.com/llvm/llvm-project/pull/106145