[clang-tools-extra] clang-tidy: treat fragment includes as main-file parts (PR #180282)

[via cfe-commits]

================
@@ -34,6 +35,28 @@ Options
    insertion/removal for all headers under the directory `foo`. Default is an
    empty string, no headers will be ignored.
 
+.. option:: FragmentHeaders
+
+   A semicolon-separated list of regexes that match against normalized resolved
----------------
EugeneZelenko wrote:

```suggestion
   A semicolon-separated list of regular expressions that match against normalized resolved
```

Please also take care about lines wrapping.

https://github.com/llvm/llvm-project/pull/180282