Add clang-tidy external examples

clang-tools-extra/docs/clang-tidy/ExternalClang-TidyExamples.rst

@@ -5,21 +5,22 @@ External Clang-Tidy Examples
 Introduction
 ============
 
-This page provides examples of what people have done with clang-tidy that 
+This page provides examples of what people have done with `clang-tidy`` that 
 might serve as useful guides (or starting points) to develop your own checks. 
-They may be helpful even for necessary things such as how to write CMakeLists.txt 
-for an out-of-tree plugin of clang-tidy checks.
+They may be helpful for necessary things such as how to write CMakeLists.txt 
+for an out-of-tree plugin of `clang-tidy` checks.
 
-If you know of (or wrote!) a tool or project using clang-tidy, please post on
-`the Discourse forums (Clang Frontend category)
-<https://discourse.llvm.org/c/clang/6>`_ to have it added.
-(or if you are already a clang-tidy contributor, feel free to directly commit
-additions). Since the primary purpose of this page is to provide examples
-that can help developers, generally they must have code available.
+If you know of (or wrote!) a tool or project using clang-tidy, please share it 
+on `the Discourse forums (Clang Frontend category)
+<https://discourse.llvm.org/c/clang/6>`_ for wider visibility and open a 
+pull-request on `LLVM Github`_ to have it added here. Since the primary purpose of 
+this page is to provide examples that can help developers, generally they must have 
+code available.
 
-As clang-tidy shares C++ AST Matchers with Clang diagnostics, `External Clang Examples`_ 
-may also be useful to look at.
+As `clang-tidy` shares C++ AST Matchers with Clang diagnostics, `External Clang Examples`_ 
+may also be useful to look at for examples.
 
+.. _LLVM Github: https://github.com/llvm/llvm-project
 .. _External Clang Examples: https://clang.llvm.org/docs/ExternalClangExamples.html
 
 https://clang.llvm.org/docs/ExternalClangExamples.html