[clang] [clang][docs] Add link to C++ modules Wikipedia page to docs (PR #169200)

[via cfe-commits]

https://github.com/mikomikotaishi updated https://github.com/llvm/llvm-project/pull/169200

>From 35e95966015d35af747c1a90be64e29dd83c8c51 Mon Sep 17 00:00:00 2001
From: Miko <110693261+mikomikotaishi at users.noreply.github.com>
Date: Sun, 23 Nov 2025 06:53:47 +0000
Subject: [PATCH] Add link to C++ modules Wikipedia page to docs

---
 clang/docs/StandardCPlusPlusModules.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/clang/docs/StandardCPlusPlusModules.rst b/clang/docs/StandardCPlusPlusModules.rst
index 7155ad6cff83f..aa4a6812e0b1e 100644
--- a/clang/docs/StandardCPlusPlusModules.rst
+++ b/clang/docs/StandardCPlusPlusModules.rst
@@ -30,6 +30,9 @@ understand some terms and definitions for readers who are not familiar with the
 C++ feature. This document is not a tutorial on C++; it only introduces
 necessary concepts to better understand use of modules in a project.
 
+A high level overview of modules can be found on the
+`Modules (C++) <https://en.wikipedia.org/wiki/Modules_(C++)>`_ page on Wikipedia.
+
 Background and terminology
 --------------------------