[clang-tools-extra] reapply [clang-doc] Add --asset option to clang-doc (PR #96358)

[Paul Kirth via cfe-commits]

================
@@ -0,0 +1,22 @@
+// RUN: rm -rf %t && mkdir %t
+// RUN: clang-doc --format=html --output=%t --asset=%S/Inputs/test-assets --executor=standalone %s --output=%t/docs
+// RUN: FileCheck %s -input-file=%t/docs/index.html -check-prefix=INDEX
+// RUN: FileCheck %s -input-file=%t/docs/test.css -check-prefix=CSS
+// RUN: FileCheck %s -input-file=%t/docs/test.js -check-prefix=JS
----------------
ilovepi wrote:

```suggestion
// RUN: clang-doc --format=html --output=%t --asset=%S/Inputs/test-assets --executor=standalone %s
// RUN: FileCheck %s -input-file=%t/index.html -check-prefix=INDEX
// RUN: FileCheck %s -input-file=%t/test.css -check-prefix=CSS
// RUN: FileCheck %s -input-file=%t/test.js -check-prefix=JS
```

https://github.com/llvm/llvm-project/pull/96358