[libcxx-commits] [libcxx] [libc++] Update maintainer list (PR #175044)

[A. Jiang via libcxx-commits]

================
@@ -4,7 +4,75 @@ This file is a list of the
 [maintainers](https://llvm.org/docs/DeveloperPolicy.html#maintainers) for
 libc++.
 
-# Lead maintainer
+## Lead maintainer
 
-Louis Dionne \
-ldionne.2 at gmail.com (email), [ldionne](https://github.com/ldionne) (GitHub)
\ No newline at end of file
+Responsible for project as a whole, and for any areas not covered by a specific maintainer.
+
+Louis Dionne
+ldionne.2 at gmail.com (email), [ldionne](https://github.com/ldionne) (GitHub)
+
+## Components
+
+These maintainers are responsible for particular high-level components within libc++.
+The maintainership is not exclusive, in the sense that most contributors work across
+various components of the library.
+
+### ABI Questions
+
+Louis Dionne
+ldionne.2 at gmail.com (email), [ldionne](https://github.com/ldionne) (GitHub)
+
+Nikolas Klauser
+nikolasklauser at berlin.de (email), [philnik777](https://github.com/philnik777) (GitHub)
+
+### ISO C++ Conformance Status, LWG Issues
+
+A. Jiang
----------------
frederick-vs-ja wrote:

```suggestion
An Jiang
```

https://github.com/llvm/llvm-project/pull/175044