Link to the Mac debugging tips from the documentation index.

Change-Id: Ie3bac856bda4a75da94bf7a928dc074114fa64d5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2860308
Auto-Submit: Robert Sesek <[email protected]>
Reviewed-by: Leonard Grey <[email protected]>
Commit-Queue: Leonard Grey <[email protected]>
Cr-Commit-Position: refs/heads/master@{#878068}
diff --git a/docs/README.md b/docs/README.md
index a63cd425..62c64ab 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -242,6 +242,8 @@
     hardware video decode codepaths on Linux
 
 ### Misc MacOS-Specific Docs
+*   [Mac Debugging Tips](mac/debugging.md) - An introduction to debugging on
+    Mac, as well as a collection of useful tips.
 *   [Using CCache on Mac](ccache_mac.md) - Speed up builds on Mac using ccache
     with clang/ninja
 *   [Cocoa tips and tricks](cocoa_tips_and_tricks.md) - A collection of idioms